<s>
This	O
article	O
contains	O
a	O
representative	O
list	O
of	O
notable	O
databases	O
and	O
search	B-Application
engines	I-Application
useful	O
in	O
an	O
academic	O
setting	O
for	O
finding	O
and	O
accessing	O
articles	O
in	O
academic	O
journals	O
,	O
institutional	O
repositories	O
,	O
archives	O
,	O
or	O
other	O
collections	O
of	O
scientific	O
and	O
other	O
articles	O
.	O
</s>
<s>
Databases	O
and	O
search	B-Application
engines	I-Application
differ	O
substantially	O
in	O
terms	O
of	O
coverage	O
and	O
retrieval	O
qualities	O
.	O
</s>
<s>
Users	O
need	O
to	O
account	O
for	O
qualities	O
and	O
limitations	O
of	O
databases	O
and	O
search	B-Application
engines	I-Application
,	O
especially	O
those	O
searching	O
systematically	O
for	O
records	O
such	O
as	O
in	O
systematic	O
reviews	O
or	O
meta-analyses	O
.	O
</s>
<s>
As	O
the	O
distinction	O
between	O
a	O
database	O
and	O
a	O
search	B-Application
engine	I-Application
is	O
unclear	O
for	O
these	O
complex	O
document	B-Algorithm
retrieval	I-Algorithm
systems	I-Algorithm
,	O
see	O
:	O
</s>
<s>
the	O
article	O
about	O
bibliographic	B-Library
databases	I-Library
for	O
information	O
about	O
databases	O
giving	O
bibliographic	O
information	O
about	O
finding	O
books	O
and	O
journal	O
articles	O
.	O
</s>
<s>
Notably	O
,	O
Google	B-Library
Scholar	I-Library
does	O
not	O
offer	O
such	O
detail	O
,	O
but	O
the	O
database	O
's	O
size	O
has	O
been	O
calculated	O
.	O
</s>
<s>
The	O
main	O
academic	O
full-text	B-Application
databases	O
are	O
open	O
archives	O
or	O
link-resolution	O
services	O
,	O
although	O
others	O
operate	O
under	O
different	O
models	O
such	O
as	O
mirroring	O
or	O
hybrid	O
publishers	O
.	O
</s>
<s>
Such	O
services	O
typically	O
provide	O
access	O
to	O
full	B-Application
text	I-Application
and	O
full-text	B-Application
search	I-Application
,	O
but	O
also	O
metadata	O
about	O
items	O
for	O
which	O
no	O
full	B-Application
text	I-Application
is	O
available	O
.	O
</s>
<s>
The	O
table	O
is	O
sorted	O
by	O
the	O
number	O
of	O
works	O
for	O
which	O
full-text	B-Application
is	O
made	O
available	O
.	O
</s>
<s>
Name	O
Discipline(s )	O
Size	O
(	O
full-texts	B-Application
)	O
Description	O
Access	O
cost	O
Open	O
data	O
Provider(s )	O
ZendyMultidisciplinary	O
282,165,495	O
https://zendy.io/search?q=to	O
Focus	O
on	O
academic	O
journals	O
,	O
articles	O
,	O
books	O
,	O
&	O
book	O
chapters	O
.	O
</s>
<s>
Premium	O
content	O
is	O
available	O
in	O
the	O
UAE	O
,	O
KSA	O
,	O
Bahrain	O
,	O
Jordan	O
,	O
Morocco	O
,	O
Algeria	O
,	O
&	O
Nigeria.ZendyInternet	O
Archive	O
ScholarMultidisciplinary	O
25,000,000	O
Focus	O
on	O
fulltext	B-Application
search	I-Application
of	O
open	O
access	O
journals	O
and	O
conference	O
proceedingsInternet	O
ArchiveCOREMultidisciplinary	O
9,800,000	O
(	O
207,000,000	O
metadata	O
)	O
A	O
full	B-Application
text	I-Application
aggregator	O
of	O
all	O
open	O
access	O
papers	O
from	O
repositories	O
(	O
institutional	O
,	O
subject	O
,	O
preprints	O
,	O
etc	O
.	O
)	O
</s>
<s>
Around	O
20	O
million	O
monthly	O
active	O
users.Open	O
UniversityCiteSeerXMultidisciplinary	O
8,401,126	O
Replaced	O
CiteSeer	B-Application
,	O
and	O
ChemXSeer	B-Library
.	O
</s>
<s>
Mainly	O
Computer	B-General_Concept
science	I-General_Concept
,	O
Statistics	O
,	O
Mathematics.Pennsylvania	O
State	O
UniversitySemantic	O
Scholar	O
Multidisciplinary	O
8,100,000	O
(	O
200,000,000	O
metadata	O
)	O
Mostly	O
computer	B-General_Concept
science	I-General_Concept
and	O
biomedical	O
publications	O
.	O
</s>
<s>
Powered	O
by	O
semantic	O
analysis.Allen	O
Institute	O
for	O
Artificial	O
IntelligenceEurope	O
PMCBiomedical	O
7,500,000	O
(	O
39,000,000	O
metadata	O
)	O
Abstracts	O
&	O
full	B-Application
text	I-Application
(	O
7.5	O
million	O
)	O
biomedical	O
and	O
life	O
sciences	O
articles	O
(	O
Dec	O
2020	O
)	O
.	O
</s>
<s>
Includes	O
text	B-Algorithm
mining	I-Algorithm
tools	O
and	O
links	O
to	O
external	O
molecular	O
and	O
medical	O
data	O
sets.EMBL-EBIPubMed	O
Central	O
(	O
PMC	O
)	O
Biomedical	O
,	O
life	O
sciences	O
7,500,000	O
Free	O
full-text	B-Application
archive	O
of	O
publications	O
and	O
preprintsNIH	O
,	O
NLMResearchGateMultidisciplinary	O
4,000,000	O
Commercial	O
social	O
networking	O
site	O
for	O
scientists	O
and	O
researchers	O
.	O
</s>
<s>
Indexes	O
unpublished	O
scientific	O
and	O
technical	O
reports	O
,	O
theses	O
,	O
conference	O
papers	O
,	O
government	O
publications.FAOArachneArchaeology	O
,	O
Art	O
history4	O
,	O
485	O
,	O
5342.4	O
million	O
digital	O
images	O
from	O
archive	O
material	O
,	O
1	O
million	O
of	O
books	O
,	O
40,000	O
high	O
quality	O
scans	O
of	O
ancient	O
sculptures	O
,	O
300	O
volumes	O
of	O
ancient	O
books	O
with	O
more	O
than	O
60,000	O
pagesDAI	O
&	O
University	O
of	O
CologneAMinerComputer	O
Science	O
265,034,285	O
Online	O
service	O
used	O
to	O
index	O
and	O
search	O
academic	O
social	O
networksTsinghua	O
UniversityArts	O
&	O
Humanities	O
Citation	O
IndexArts	O
,	O
Humanities	O
4,900,000	O
Part	O
of	O
Web	B-Library
of	I-Library
Science	I-Library
.	O
</s>
<s>
Records	O
back	O
from	O
1975	O
to	O
present.Clarivate	O
AnalyticsAstrophysics	O
Data	O
SystemAstrophysics	O
,	O
Geophysics	O
,	O
Physics	O
13,300,000	O
Publications	O
in	O
Astronomy	O
and	O
Astrophysics	O
,	O
Physics	O
,	O
and	O
the	O
arXiv	O
e-printsHarvard	O
UniversityATLA	O
Religion	O
DatabaseReligious	O
studies	O
3,000,000	O
Provides	O
information	O
on	O
topics	O
such	O
as	O
biblical	O
studies	O
,	O
world	O
religions	O
,	O
church	O
history	O
,	O
and	O
religion	O
in	O
social	O
issuesEBSCO	O
PublishingBASE	O
:	O
Bielefeld	O
Academic	B-Library
Search	I-Library
EngineMultidisciplinary	O
259,497,239	O
Metadata	O
for	O
260	O
million	O
documents	O
from	O
more	O
than	O
8,000	O
content	O
providersBielefeld	O
UniversityBook	O
Review	O
Index	O
OnlineBook	O
reviews	O
5,600,000	O
Reviews	O
of	O
periodicals	O
and	O
books	O
–	O
including	O
those	O
on	O
tape	O
and	O
electronic	O
mediaThomson	O
GaleBooks	O
in	O
PrintBooks	O
2,500,000	O
Reviews	O
covering	O
over	O
2.5	O
million	O
titlesR	O
.	O
</s>
<s>
Contains	O
citation-based	O
indicators	O
and	O
Altmetric	O
attention	O
scores.Digital	O
Science	O
&	O
Research	O
Solutions	O
LtdDirectory	O
of	O
Open	O
Access	O
Journals	O
(	O
DOAJ	O
)	O
Multidisciplinary	O
8,265,735	O
Articles	O
from	O
18,652	O
open	O
access	O
journals	O
(	O
Dec	O
2022	O
)	O
Infrastructure	O
Services	O
for	O
Open	O
Access	O
(	O
IS4OA	O
)	O
DBLPComputer	O
science	O
5,387,041	O
Comprehensive	O
list	O
of	O
papers	O
from	O
major	O
computer	B-General_Concept
science	I-General_Concept
conferences	O
and	O
journalsLeibniz	O
Center	O
for	O
Informatics	O
and	O
University	O
of	O
TrierEconBizEconomics	O
10,000,000	O
Covers	O
journals	O
,	O
working	O
papers	O
&	O
conferences	O
in	O
business	O
studies	O
and	O
economicsZBW	O
-	O
German	O
National	O
Library	O
of	O
Economics	O
–	O
Leibniz	O
Information	O
Centre	O
for	O
Economics	O
(	O
ZBW	O
)	O
EconLitEconomics	O
1,600,000	O
Covers	O
articles	O
and	O
other	O
materials	O
dating	O
back	O
to	O
1969American	O
Economic	O
Association	O
(	O
available	O
from	O
EBSCOhost	B-Library
,	O
ProQuest	B-Library
,	O
OVID	O
,	O
and	O
AEA	O
)	O
EMBASEBiomedicine	O
,	O
Pharmacology	O
32,000,000	O
Biomedical	O
database	O
with	O
a	O
focus	O
on	O
drug	O
and	O
pharmaceutical	O
research	O
.	O
</s>
<s>
Rrecords	O
from	O
over	O
8,500	O
journals	O
(	O
1947	O
–	O
present	O
)	O
.ElsevierFSTA	O
–	O
Food	O
Science	O
and	O
Technology	O
AbstractsFood	O
science	O
,	O
Food	O
technology	O
,	O
Nutrition	O
1,500,000	O
The	O
database	O
of	O
information	O
on	O
food	O
science	O
,	O
food	O
technology	O
and	O
nutritionIFIS	O
Publishing	O
(	O
available	O
via	O
EBSCOhost	B-Library
,	O
IHS	O
Inc.	O
,	O
Ovid	O
,	O
Proquest	B-Application
Dialog	I-Application
,	O
STN	O
and	O
Web	B-Library
of	I-Library
Science	I-Library
)	O
GeoRefGeosciences	O
4,000,000	O
Records	O
from	O
3,500	O
journals	O
in	O
40	O
languagesAmerican	O
Geosciences	O
InstituteGoogle	O
ScholarMultidisciplinary	O
389,000,000	O
The	O
biggest	O
academic	B-Library
database	I-Library
&	O
search	B-Application
engine	I-Application
(	O
over	O
390	O
million	O
records	O
,	O
unofficial	O
estimate	O
)	O
GoogleInformitMultidisciplinary	O
8,000,000	O
Australasian	O
aggregator	O
of	O
bibliographic	B-Library
databases	I-Library
and	O
journalsRMIT	O
Training	O
Pty	O
Ltd	O
(	O
RMIT	O
Training	O
)	O
InspecPhysics	O
,	O
Engineering	O
,	O
Computer	O
Science	O
18,000,000	O
Contains	O
records	O
in	O
physics	O
,	O
electrical	O
engineering	O
,	O
electronics	O
,	O
communications	O
,	O
control	O
engineering	O
,	O
information	B-General_Concept
technology	I-General_Concept
,	O
manufacturing	O
,	O
production	O
,	O
and	O
mechanical	O
engineering.IET	O
International	O
Nuclear	O
Information	O
System	O
(	O
INIS	O
)	O
Nuclear	O
Physics	O
,	O
Nuclear	O
Energy	O
,	O
Medical	O
Physics	O
4,600,000	O
A	O
leading	O
bibliographic	O
and	O
grey	O
literature	O
repository	O
covering	O
all	O
areas	O
of	O
nuclear	O
science	O
and	O
technology	O
.	O
</s>
<s>
International	O
Atomic	O
Energy	O
Agency	O
International	B-Library
Philosophical	I-Library
Bibliography	I-Library
Philosophy	O
1,000,000	O
Focus	O
on	O
the	O
history	O
of	O
philosophy	O
and	O
continental	O
philosophy	O
.	O
</s>
<s>
Université	O
Catholique	O
de	O
Louvain	O
(	O
available	O
from	O
Peeters	O
Publishers	O
)	O
J-GateMultidisciplinary71	O
,	O
692,382	O
J-Gate	O
is	O
an	O
electronic	O
gateway	O
to	O
global	O
e-journal	O
literature	O
(	O
articles	O
from	O
58,000	O
journals	O
)	O
Informatics	O
India	O
Ltd	O
The	B-Application
Lens	I-Application
Multidisciplinary	O
228,108,724	O
Serves	O
global	O
patent	O
and	O
scholarly	O
knowledge	O
as	O
a	O
public	O
good	O
to	O
inform	O
science	O
and	O
technology	O
enabled	O
problem	O
solving	O
.	O
</s>
<s>
Catalog	O
for	O
the	O
National	O
Library	O
of	O
Japan.National	O
Diet	O
LibraryOAIsterMultidisciplinary	O
30,000,000	O
Covers	O
records	O
contributed	O
by	O
over	O
1,500	O
organizationsOCLCOpenAlexMultidisciplinary	O
205,000,000	O
:File:Academic	O
papers	O
by	O
discipline	O
(	O
visualization	O
of	O
2012	O
–	O
2021	O
OpenAlex	O
data	O
;	O
v2	O
)	O
.pngIndex	O
and	O
metadata	O
for	O
all	O
scholarly	O
output.Our	O
ResearchPaperityMultidisciplinary	O
7,238,477	O
Aggregator	O
of	O
open	O
access	O
journals	O
and	O
papers	O
(	O
>15	O
,	O
000	O
journals	O
)	O
Paperity	B-Application
Sp	O
.	O
</s>
<s>
Includes	O
MEDLINE	O
,	O
PubMed	B-Library
Central	O
,	O
and	O
Bookshelf.NIH	O
,	O
NLMRussian	O
Science	O
Citation	O
IndexMultidisciplinary	O
35,409,829	O
A	O
bibliographic	B-Library
database	I-Library
of	O
scientific	O
publications	O
in	O
RussianScientific	O
Electronic	O
LibraryScienceOpenMultidisciplinary	O
66,000,000	O
Natural	O
and	O
physical	O
sciences	O
,	O
social	O
sciences	O
,	O
and	O
humanities	O
.	O
</s>
<s>
Incorporates	O
arXiv	O
,	O
PubMed	B-Library
,	O
and	O
SciELO	B-Library
.	O
</s>
<s>
Articles	O
from	O
>25	O
,	O
000	O
journals.ScienceOpen	O
Inc.ScopusMultidisciplinary78	O
,	O
000,000	O
Records	O
from	O
over	O
20,500	O
titles	O
from	O
over	O
5,000	O
international	O
publishers	O
ElsevierWeb	O
of	O
ScienceMultidisciplinary	O
171,000,000	O
Includes	O
other	O
products	O
,	O
such	O
as	O
Social	B-Library
Sciences	I-Library
Citation	I-Library
Index	I-Library
,	O
Science	B-Library
Citation	I-Library
Index	I-Library
,	O
Biological	B-Library
Abstracts	I-Library
&	O
The	O
Zoological	O
RecordClarivate	O
AnalyticsZasshi	O
Kiji	O
Sakuin	O
:	O
Japanese	O
Periodicals	O
IndexMultidisciplinary	O
6,600,000	O
Scholarly	O
articles	O
in	O
JapaneseNational	O
Diet	O
LibraryZentralblatt	O
MATHMathematics	O
4,000,000	O
Mainly	O
reviews	O
and	O
abstracts.FIZ	O
KarlsruheThe	O
Zoological	O
RecordZoology	O
3,500,000	O
Unofficial	O
register	O
of	O
scientific	O
names	O
&	O
papers	O
in	O
zoology	O
.	O
</s>
<s>
Services	O
with	O
less	O
than	O
a	O
million	O
searchable	B-Application
records	O
.	O
</s>
<s>
Name	O
Discipline(s )	O
Size	O
Description	O
Access	O
cost	O
Provider(s )	O
Academic	O
SearchMultidisciplinarySeveral	O
versions	O
:	O
Complete	O
,	O
Elite	O
,	O
Premier	O
,	O
and	O
Alumni	O
EditionEBSCO	O
PublishingAerospace	O
&	O
High	O
Technology	O
DatabaseAerospace	O
,	O
Aeronautics	O
,	O
AstronauticsProvides	O
indexing	O
and	O
abstracts	O
from	O
current	O
serial	O
and	O
non-serial	O
titles	O
,	O
including	O
content	O
from	O
AIAA	O
and	O
NASAProQuestAfrican	O
Journals	O
OnLine	O
(	O
AJOL	O
)	O
Multidisciplinary	O
185,649	O
Scholarly	O
journals	O
published	O
in	O
AfricaAJOLAgeLineSociology	O
,	O
GerontologyIncludes	O
information	O
on	O
aging-related	O
topics	O
,	O
including	O
economics	O
,	O
public	O
health	O
and	O
policyEBSCO	O
PublishingAGRICOLA	O
:	O
Agricultural	O
Online	O
AccessAgricultureProvides	O
public	O
access	O
to	O
information	O
on	O
agriculture	O
and	O
allied	O
fields	O
(	O
17th	O
century	O
-	O
present	O
)	O
NAL	O
(	O
free	O
access	O
NAL	O
,	O
subscription	O
access	O
ProQuest	B-Library
,	O
OVID	O
)	O
AiritiMultidisciplinaryChinese	O
e-content	O
provider	O
of	O
Chinese	O
academic	O
e-journals	O
,	O
Taiwanese	O
academic	O
e-journals	O
,	O
classical	O
art	O
imagesAiriti	O
Inc.Analytical	O
AbstractsChemistry	O
505,481	O
Selection	O
of	O
analytical	O
chemistry	O
articles	O
published	O
by	O
the	O
Royal	O
Society	O
of	O
Chemistry	O
(	O
around	O
100	O
journals	O
)	O
RSCAnthropological	O
Index	O
OnlineAnthropologyIndexes	O
only	O
(	O
no	O
abstracts	O
or	O
full-text	B-Application
)	O
the	O
anthropology	O
journals	O
received	O
by	O
The	O
Anthropology	O
Library	O
at	O
The	O
British	O
MuseumRAIAnthropological	O
LiteratureAnthropology	O
,	O
Archaeology	O
670,000	O
An	O
index	O
of	O
journals	O
primarily	O
from	O
Tozzer	O
Library	O
,	O
as	O
well	O
as	O
other	O
open-access	O
journals	O
(	O
660	O
journals	O
with	O
more	O
than	O
670,000	O
articles	O
)	O
Harvard	O
University	O
(	O
non-Harvard	O
access	O
provided	O
by	O
OCLC	O
)	O
ArchiveGridMultidisciplinaryDirectory	O
of	O
archival	O
materials	O
from	O
American	O
and	O
international	O
institutions	O
,	O
including	O
over	O
five	O
million	O
recordsWorldCatASCE	O
LibraryCivil	O
Engineering	O
150,000	O
All	O
civil	O
engineering	O
disciplines	O
including	O
structural	O
engineering	O
,	O
geotechnical	O
engineering	O
,	O
transportation	O
engineering	O
,	O
construction	O
engineering	O
,	O
environmental	O
engineering	O
,	O
engineering	O
mechanics	O
,	O
sustainability	O
,	O
water	O
resources	O
,	O
irrigation	O
.	O
</s>
<s>
Journal	O
listings	O
include	O
publication	O
info	O
,	O
submission	O
guidelines	O
,	O
and	O
metrics.CabellsChemical	O
Abstracts	O
ServiceChemistryApproximately	O
8,000	O
journals	O
,	O
technical	O
reports	O
,	O
dissertations	O
,	O
conference	O
proceedings	O
,	O
and	O
new	O
booksACSChinese	O
Social	O
Sciences	O
Citation	O
IndexSocial	O
sciences	O
60,000	O
Covers	O
about	O
500	O
Chinese	O
academic	O
journals	O
of	O
humanities	O
and	O
social	O
sciencesNanjing	O
UniversityCHBD	O
:	O
Circumpolar	O
Health	O
Bibliographic	O
DatabaseMedicine	O
7,900	O
Contains	O
records	O
describing	O
publications	O
about	O
all	O
aspects	O
of	O
human	O
health	O
in	O
the	O
circumpolar	O
regionUniversity	O
of	O
CalgaryCivil	O
engineering	O
databaseCivil	O
engineering	O
270,000	O
A	O
bibliographic	B-Library
database	I-Library
covering	O
all	O
of	O
ASCE	O
's	O
publications	O
since	O
1872American	O
Society	O
of	O
Civil	O
Engineers	O
Cochrane	O
LibraryMedicine	O
,	O
HealthcareIncludes	O
reviews	O
of	O
research	O
to	O
promote	O
evidence-based	O
healthcare.Wiley	O
InterscienceCurrent	O
ContentsMultidisciplinaryPart	O
of	O
Web	B-Library
of	I-Library
Science	I-Library
.	O
</s>
<s>
Contains	O
7	O
discipline-specific	O
subsets.Clarivate	O
AnalyticsIndex	O
CopernicusMultidisciplinaryContains	O
over	O
2,500	O
journals	O
(	O
including	O
700	O
journals	O
from	O
Poland	O
)	O
.Index	O
Copernicus	O
LtdInformation	O
Bridge	O
:	O
Department	O
of	O
Energy	O
Scientific	O
and	O
Technical	O
InformationMultidisciplinary	O
266,000	O
Provides	O
free	O
public	O
access	O
to	O
over	O
266,000	O
full-text	B-Application
documents	O
and	O
bibliographic	O
citations	O
of	O
Department	O
of	O
Energy	O
(	O
DOE	O
)	O
research	O
report	O
literature	O
.	O
</s>
<s>
Documents	O
are	O
primarily	O
from	O
1991	O
forward.DOE	O
(	O
OSTI	O
)	O
Indian	O
Citation	O
IndexMultidisciplinary	O
860,000	O
Covers	O
articles	O
from	O
1100+	O
journals	O
from	O
India	O
from	O
scientific	O
,	O
technical	O
,	O
medical	O
,	O
and	O
social	O
sciences	O
ICIIARPMultidisciplinaryOpen-access	O
knowledge	O
management	O
system	O
incorporating	O
grants	O
,	O
publications	O
,	O
conferences	O
in	O
natural	O
and	O
social	O
&	O
behavioral	O
sciencesVolunteer	O
CollaborationINSPIRE-HEPPhysics	O
,	O
(	O
High	O
Energy	O
)	O
An	O
open	O
access	O
digital	O
library	O
for	O
the	O
field	O
of	O
high	O
energy	O
physics	O
(	O
HEP	O
)	O
(	O
operates	O
since	O
the	O
1970s	O
)	O
CERN	O
,	O
DESY	O
,	O
Fermilab	O
,	O
SLAC	O
and	O
IHEPInternational	O
Directory	O
of	O
PhilosophyPhilosophy	O
37,000	O
Contains	O
information	O
on	O
university	O
philosophy	O
departments	O
and	O
programs	O
,	O
philosophical	O
societies	O
,	O
research	O
centers	O
,	O
journals	O
,	O
and	O
philosophy	O
publishers	O
in	O
the	O
U.S.	O
,	O
Canada	O
,	O
and	O
approximately	O
130	O
other	O
countries.Philosophy	O
Documentation	O
Center	O
International	B-Library
Medieval	I-Library
Bibliography	I-Library
Medieval	O
studies	O
440,000	O
A	O
multidisciplinary	O
bibliographic	B-Library
database	I-Library
covering	O
Europe	O
,	O
North	O
Africa	O
and	O
the	O
Middle	O
East	O
for	O
the	O
entire	O
period	O
from	O
AD	O
300	O
to	O
1500	O
Leeds	O
University	O
(	O
available	O
from	O
Brepols	O
Publishers	O
)	O
JournalSeekMultidisciplinary	O
Catalogues	O
over	O
39,000	O
journals	O
 '	O
information	O
(	O
the	O
description	O
,	O
aims	O
,	O
scope	O
,	O
journal	O
abbreviation	O
,	O
journal	O
homepage	O
link	O
,	O
subject	O
category	O
and	O
ISSN	O
)	O
.GenamicsJurnMultidisciplinaryIndex	O
property	O
and	O
open	O
access	O
journals	O
in	O
the	O
arts	O
,	O
humanities	O
,	O
ecology	O
,	O
science	O
,	O
biomedical	O
,	O
business	O
and	O
economics.David	O
Haden	O
L'Année	O
philologique	O
Classical	O
studies	O
Over	O
860,000	O
bibliographical	O
entries	O
,	O
including	O
keywords	O
,	O
abstracts	O
,	O
and	O
links	O
to	O
the	O
full	B-Application
text	I-Application
.	O
</s>
<s>
Société	O
Internationale	O
de	O
Bibliographie	O
Classique	O
(	O
available	O
from	O
Brepols	O
Publishers	O
)	O
LexisNexis	B-Library
Law	O
Electronic	B-Library
database	I-Library
for	O
legal	O
and	O
public-records	O
related	O
information	O
Reed	B-Library
Elsevier	I-Library
Lingbuzz	O
Linguistics	O
550,000	O
A	O
free	O
archive	O
of	O
linguistics	O
articles	O
,	O
with	O
a	O
focus	O
on	O
syntax	O
,	O
semantics	B-Application
,	O
phonology	O
and	O
morphology	O
University	O
of	O
Tromsø	O
Linguamatics	O
Medicine	O
,	O
Healthcare	O
,	O
Patents	O
Interface	O
for	O
searching	O
MEDLINE	O
,	O
ClinicalTrials.gov,	O
FDA	O
Drug	O
Labels	O
,	O
PubMed	B-Library
Central	O
,	O
and	O
Patent	O
Abstracts	O
.	O
</s>
<s>
PubMed	B-Library
and	O
arXiv	O
)	O
ElsevierNational	O
Criminal	O
Justice	O
Reference	O
ServiceCriminology	O
,	O
Sociology	O
225,000	O
Abstracts	O
of	O
scholarly	O
journal	O
articles	O
,	O
agency	O
and	O
NGO	O
reports	O
,	O
audiovisual	O
products	O
,	O
and	O
conference	O
proceedings.United	O
States	O
Department	O
of	O
Justice	O
,	O
Office	O
of	O
Justice	O
ProgramsOpenGrayGrey	O
literature	O
700,000	O
Indexes	O
European	O
grey	O
literatureInstitut	O
de	O
l'information	O
scientifique	O
et	O
techniqueORCIDMultidisciplinaryAn	O
open	O
and	O
independent	O
registry	O
for	O
contributor	O
identification	O
in	O
research	O
and	O
academic	O
publishing	O
.	O
</s>
<s>
Merged	O
with	O
ResearcherIDClarivate	O
AnalyticsPubPsychPsychology	O
800,000	O
Datasets	O
and	O
offers	O
,	O
where	O
available	O
,	O
full-text	B-Application
linking	O
,	O
links	O
to	O
additional	O
information	O
and	O
link	O
resolvingLeibniz	O
Institute	O
for	O
Psychology	O
InformationReaders	O
 '	O
Guide	O
to	O
Periodical	O
LiteratureLiteratureReference	O
guide	O
to	O
articles	O
in	O
>470	O
periodical	O
magazines	O
and	O
journals	O
,	O
organized	O
by	O
article	O
subject	O
(	O
1890	O
to	O
present	O
)	O
H	O
.	O
W	O
.	O
Wilson	O
CompanyRock	O
's	O
BackpagesMusic	O
40,000	O
Primary	O
documents	O
from	O
the	O
history	O
of	O
rock	O
and	O
roll	O
.	O
</s>
<s>
Articles	O
,	O
including	O
interviews	O
,	O
features	O
and	O
reviews	O
,	O
which	O
covered	O
popular	O
music	O
from	O
blues	O
and	O
soulBackpages	O
LtdSafetyLitMultidisciplinary	O
640,000	O
>35	O
distinct	O
professional	O
disciplines	O
(	O
architecture	O
-	O
zoology	O
)	O
relevant	O
to	O
preventing	O
unintentional	O
injuries	O
,	O
violence	O
,	O
and	O
self-harmSafetyLit	O
FoundationScience.govMultidisciplinaryA	O
gateway	O
to	O
government	O
science	O
information	O
and	O
research	O
results	O
from	O
over	O
60	O
databases	O
,	O
over	O
2,200	O
websites	O
,	O
and	O
over	O
200	O
million	O
pages.United	O
States	O
GovernmentScience	O
Citation	O
IndexMultidisciplinaryPart	O
of	O
Web	B-Library
of	I-Library
Science	I-Library
.	O
</s>
<s>
24,000	O
+	O
journals	O
across	O
254	O
subject	O
disciplines.Clarivate	O
AnalyticsScientific	O
Information	O
Database	O
(	O
SID	O
)	O
Engineering	O
&	O
Technology	O
,	O
Medical	O
Science	O
,	O
Basic	O
Science	O
,	O
Human	O
SciencesAn	O
Iranian	O
index	O
of	O
academic	O
journals	O
and	O
access	O
to	O
full	B-Application
text	I-Application
or	O
metadataScientific	O
Information	O
DatabaseSCIndeks	O
-	O
Serbian	O
Citation	O
IndexMultidisciplinary	O
80,000	O
A	O
bibliographic	B-Library
database	I-Library
,	O
a	O
national	O
citation	O
index	O
,	O
an	O
Open	O
Access	O
full-text	B-Application
journal	O
repository	O
and	O
an	O
electronic	O
publishing	O
platform	O
.	O
</s>
<s>
Name	O
Discipline(s )	O
Size	O
Description	O
Access	O
cost	O
Provider(s )	O
Association	O
for	O
Computing	O
Machinery	O
Digital	O
LibraryComputer	O
Science	O
,	O
Engineering	O
2,892,573	O
Collection	O
of	O
all	O
ACM	O
publications	O
,	O
including	O
journals	O
,	O
conference	O
proceedings	O
,	O
technical	O
magazines	O
,	O
newsletters	O
and	O
booksAssociation	O
for	O
Computing	O
MachineryAnalytical	O
Sciences	O
Digital	O
LibraryAnalytical	O
chemistryA	O
collection	O
of	O
peer-reviewed	O
electronic	O
resources	O
on	O
chemical	O
measurements	O
and	O
instrumentationNSDL	O
and	O
ACS	O
Bibliographie	B-Library
de	I-Library
civilisation	I-Library
médiévale	I-Library
Medieval	O
studies	O
A	O
bibliography	O
of	O
monographs	O
on	O
the	O
Middle	O
Ages	O
.	O
</s>
<s>
University	O
of	O
Poitiers	O
(	O
available	O
from	O
Brepols	O
Publishers	O
)	O
BioOneBiology	O
,	O
Ecology	O
,	O
Environmental	O
ScienceFull-text	O
from	O
>180	O
scientific	O
journals	O
in	O
Biodiversity	O
Conservation	O
,	O
Biology	O
,	O
Ecology	O
,	O
Environmental	O
Science	O
,	O
Entomology	O
,	O
Ornithology	O
,	O
Plant	O
Science	O
,	O
and	O
Zoology.BioOneIEEE	O
XploreComputer	O
Science	O
,	O
Engineering	O
,	O
Electronics	O
5,360,654	O
Over	O
5	O
million	O
records.IEEEIngentaConnectMultidisciplinary5	O
,	O
000,000	O
Covers	O
articles	O
from	O
13,000	O
journalsIngentaJSTOR	O
:	O
Journal	O
StorageMultidisciplinary	O
12,000,000	O
Journal	O
articles	O
,	O
books	O
,	O
and	O
primary	O
sources	O
in	O
75	O
disciplines	O
(	O
1870	O
–	O
present	O
)	O
JSTOROpenEdition.orgHumanities	O
,	O
social	O
science	O
60,000	O
Offers	O
four	O
international-scale	O
publication	O
and	O
information	O
platforms	O
in	O
the	O
humanities	O
and	O
social	O
sciences	O
(	O
10,661	O
books	O
,	O
549	O
journals	O
,	O
3793	O
blogs	O
,	O
45,591	O
events	O
)	O
.Cléo	O
(	O
UMS	O
3287	O
)	O
CNRS	B-Application
EHESS	O
University	O
of	O
AvignonProject	O
MUSEHumanities	O
,	O
social	O
scienceMUSE	O
's	O
online	O
journal	O
collections	O
are	O
available	O
on	O
a	O
subscription	O
basis	O
to	O
academic	O
,	O
public	O
,	O
special	O
,	O
and	O
school	O
libraries	O
.	O
</s>
<s>
Name	O
Discipline(s )	O
Description	O
Access	O
cost	O
Provider(s )	O
Bioinformatic	O
HarvesterBiology	O
,	O
BioinformaticsA	O
meta	O
search	B-Application
engine	I-Application
for	O
50	O
major	O
bioinformatic	O
databases	O
and	O
projects	O
.	O
</s>
<s>
Ceased	O
operations	O
as	O
of	O
March	O
30	O
,	O
2019Oversity	O
Ltd.ChemXSeerChemistryThe	O
project	O
seems	O
abandoned	O
in	O
2018Pennsylvania	O
State	O
Universitycitebase	O
SearchMathematics	O
,	O
Computer	B-General_Concept
science	I-General_Concept
,	O
PhysicsSemi-autonomous	O
citation	O
index	O
of	O
free	O
online	O
research	O
.	O
</s>
<s>
Not	O
available	O
;	O
ceased	O
operations	O
in	O
2013University	O
of	O
SouthamptonciteSeerComputer	O
ScienceReplaced	O
by	O
citeSeerX.Pennsylvania	O
State	O
UniversityChemisches	O
Zentralblatt	O
Structural	O
DatabaseScience	O
,	O
ChemistryWeb-based	O
retrieval	O
application	O
that	O
provided	O
language-independent	O
access	O
to	O
the	O
information	O
contained	O
in	O
Chemisches	O
ZentralblattInfoChemCogPrints	O
:	O
Cognitive	O
Sciences	O
Eprint	O
ArchiveMultidisciplinaryAn	O
electronic	O
archive	O
for	O
self-archive	O
papers	O
in	O
Psychology	O
,	O
Neuroscience	O
,	O
Linguistics	O
,	O
Computer	B-General_Concept
Science	I-General_Concept
,	O
Philosophy	O
,	O
Biology	O
,	O
and	O
Medicine	O
.	O
</s>
<s>
Not	O
updated	O
since	O
2017.University	O
of	O
SouthamptonThe	O
Collection	O
of	O
Computer	B-General_Concept
Science	I-General_Concept
BibliographiesComputer	O
scienceOne	O
of	O
the	O
oldest	O
(	O
if	O
not	O
the	O
oldest	O
)	O
bibliography	O
collections	O
freely	O
accessible	O
on	O
the	O
Internet	O
(	O
founded	O
1993	O
)	O
.	O
</s>
<s>
Not	O
updated	O
since	O
2018.Gary	O
Perlman	O
International	B-Library
Bibliography	I-Library
of	I-Library
Humanism	I-Library
and	I-Library
the	I-Library
Renaissance	I-Library
Renaissance	O
studies	O
A	O
bibliography	O
of	O
academic	O
publications	O
on	O
European	O
culture	O
and	O
history	O
in	O
the	O
16th	O
and	O
17th	O
centuries	O
.	O
</s>
<s>
It	O
seems	O
that	O
the	O
database	O
is	O
not	O
available	O
and	O
not	O
updated	O
since	O
2009.American	O
Meteorological	O
Society	O
(	O
available	O
from	O
Dialog	B-Application
and	O
CSA	B-Library
)	O
.Microsoft	O
AcademicMultidisciplinaryCovered	O
publications	O
from	O
over	O
49,000	O
journals	O
.	O
</s>
