<s>
The	O
Readers	B-Library
 '	I-Library
Guide	I-Library
to	I-Library
Periodical	I-Library
Literature	I-Library
is	O
a	O
reference	O
guide	O
to	O
recently	O
published	O
articles	O
in	O
periodical	O
magazines	O
and	O
scholarly	O
journals	O
,	O
organized	O
by	O
article	O
subject	O
.	O
</s>
<s>
The	O
Readers	B-Library
 '	I-Library
Guide	I-Library
has	O
been	O
published	O
regularly	O
since	O
1901	O
by	O
the	B-Architecture
H	I-Architecture
.	I-Architecture
W	I-Architecture
.	I-Architecture
Wilson	I-Architecture
Company	I-Architecture
,	O
and	O
is	O
a	O
staple	O
of	O
public	O
and	O
academic	O
reference	O
libraries	O
throughout	O
the	O
United	O
States	O
;	O
a	O
retrospective	O
index	O
of	O
general	O
periodicals	O
published	O
from	O
1890	O
to	O
1982	O
is	O
also	O
available	O
.	O
</s>
<s>
Originally	O
,	O
The	O
Readers	B-Library
 '	I-Library
Guide	I-Library
was	O
published	O
on	O
a	O
biweekly	O
basis	O
,	O
with	O
later	O
issues	O
incorporating	O
the	O
previous	O
content	O
in	O
larger	O
copies	O
until	O
the	O
index	O
for	O
the	O
entire	O
year	O
was	O
published	O
.	O
</s>
<s>
There	O
are	O
two	O
online	O
database	O
versions	O
of	O
Reader	O
's	O
Guide	O
available	O
from	O
H	B-Architecture
.	I-Architecture
W	I-Architecture
.	I-Architecture
Wilson	I-Architecture
Company	I-Architecture
:	O
Readers	B-Library
 '	I-Library
Guide	I-Library
to	I-Library
Periodical	I-Library
Literature	I-Library
which	O
covers	O
1983	O
to	O
the	O
present	O
,	O
and	O
Readers	B-Library
 '	I-Library
Guide	I-Library
Retrospective	O
:	O
1890	O
–	O
1982	O
.	O
</s>
