The Earth's Carrying Capacity - Some Literature Reviews
A review spread over hundreds of pages, of the global literature on degradation of soils, crop, grazing and forest lands, and fisheries.
http://home.alltel.net/bsundquist1

Wikiquote
A free quote database built collaboratively using Wiki software, a sister project to Wikipedia. (GNU Free Documentation License)
http://www.wikiquote.org/

Agriculture 21
Food and Agriculture Organization's agriculture website. Includes a news magazine plus guides and links to information on livestock, biotechnology, land/water development, crop production, plant protection, agricultural support systems.
http://www.fao.org/ag

Timely Quotes
Features timely quotes from the 19th and 20th century.
http://www.cs.ntu.edu.au/homepages/jeff/QUOTES.HTM

Wall of Theorgy
Collection of quotes, thoughts, ideas, humor, and mental stimuli ranging from famous quotes to the webmasters thoughts.
http://www.walloftheory.org/quotes.html

U.S. Department of Agriculture
Enhancing the quality of life for the American people by supporting production of agriculture.
http://www.usda.gov/