John Trout Jr., Nuisance Animals: Backyard Pests to Free Roaming Killers. Midwest Publishing, 1997.
Cooper Rutledge, Backyard Battle Plan: The ultimate guide to controlling wildlife damage in your garden. Penguin Books Ltd., 1998.
The California Center for Wildlife with Diana Landau and Shelley Stump, Living with Wildlife. A Sierra Club Book, 1994.
The Humane Society of the United States, Wild Neighbors: The Humane Approach to Living with Wildlife. Fulcrum Publishing, 1997.
Fred Fishel, Pesticides and the Environment, Agricultural MU Guide
University of Missouri-Columbia. July 1997
College of Family Physicians, Pesticides Literature Review
Ontario College of Family Physicians. April 2004.
Lydia Oberholtzer, Carolyn Dimitri, and Catherine Greene, Price Premiums Hold on as U.S. Organic Produce Market Expands.
USDA, Economic Research Service. May 2005.
William Baue, Pesticides in Your Home.
Children’s Health Environmental Coalition. January 2002.
Rutgers University, Organic vs. Commercial Food.
Jim Blair, Horticultural Healing.
Alive #288. October 2006.
American Horticultural Therapy Association, Horticultural Therapy
Wikipedia. January 2007
USDA, The National Organic Program: Background Information
Dr. Andrew Backhaus, A Scientific Guide to Organic Plant Health Care Products
Artistic Arborist, Inc. April 2004.
Planet Natural, Organic Materials Review Institute (OMRI).
Organic Limited, The Australian Competition and Consumer Commission Addresses 'Organic' Claims
EPA, 25b Minimum Risk Pesticides
Organic Gardening, Critter Control
Exclusion.org, Armadillo Damage Management
Exclusion.org, Muskrat Damage Management
University of California at David Integrated Pest Management, Opossum Management Guide.
Cornell University College of Agricultural and Life Sciences, Appendix E: Understanding Pesticide Regulations.
News Target, The Facts About Organic Foods: Having More Vitamins and Minerals Protects You From Chronic Disease