Chua, J. (2007, June 21). How to green your gardening. Treehugger.com. Retrieved February 28, 2008, from http://www.treehugger.com/files/2007/06/how-to-green-your-gardening.php
CSA – Community Supported Agriculture. (2008) GreenPeople. Retrieved March 31, 2008, from http://www.greenpeople.org/csa.htm
Gardener’s notebook. (2005, May 30). The Green Pages of the Montréal Botanical Garden. Retrieved February 12, 2008, from http://www2.ville.montreal.qc.ca/
Goodwill at Homefields Farm. (2008). Goodwill: Keystone area. Retrieved February 29, 2008, from http://www.yourgoodwill.org/farmprogram.htm
Hybrid: The Scott Arboretum of Swarthmore College [Brochure]. (2007). Swarthmore, PA.
Organic Gardening. (2007, December 20). HGTV.com. Retrieved March 31, 2008, from http://www.hgtv.com/hgtv/pac_ctnt_988/text/0,,HGTV_22056_62186,00.html
Organic Gardening Techniques. (2008). MaasNursery.com. Retrieved March 17, 2008, from http://www.maasnursery.com/organictechniques.htm
Perfecting Soil. (2007, December 20). HGTV.com. Retrieved March 23, 2008, from http://www.hgtv.com/hgtv/gl_soil_water_other/article/0,1785,HGTV_3635_1924209,00.html
Simpson, B. (2000, July 14). Lancaster organic farm trains workers. Central Penn Business Journal. Retrieved March 31, 2008, from http://www.allbusiness.com/human-resources/careers-job-training/1059199-1.html
Soils and compost. (2007, December 28). ATTRA: National Sustainable Agriculture Information Service. Retrieved March 13, 2008, from http://attra.ncat.org/soils.html
Tips for a chemical-free garden and lawn. (2006, November 5). NaturalMatters.net. Retrieved March 13, 2008, from http://www.naturalmatters.net/
Why fish and seaweed products? (2006). iVillage Garden Web. Retrieved March 30, 2008, from http://faq.gardenweb.com/faq/lists/organic/2002080041031662.html
Goodwill at Homefields Farm: Community supported agriculture [Pamphlet]. (n.d.). Millersville, PA.
Lancaster County buy fresh buy local [Pamphlet]. (n.d.). Lancaster, PA.
Organica: Lawn and garden products [Pamphlet]. (n.d.). Norristown, PA.
Pesticide-free gardening – naturally! [Pamphlet]. (n.d.). Montréal, Canada.
Supak, S. Organic gardening news. Retrieved January 31, 2008, from http://organicgarden.blogspot.com
Why Organica biotech? (2004). Organica: Innovation in nature. Retrieved March 18, 2008, from http://www.organica.net/benefits.asp