University of Arizona - Publications on ag, Consumer, Garden. Contacts, list servers and links organized by subject area. See also Department of Agricultural and Resource Economics Extension for Arizona Ranchers' Management Guide, Range Cow Culling Tutorial, Direct Farm Marketing and Tourism Handbook. Livestock and Natural Resources page has livestock, range and wildlife publications. University of Delaware - Publications on ag, Consumer and Garden.
Gopher also has publications.
AgriGator Internet locator has links to ag-related sites by state, government, commercial, international. University of Georgia - Publications on ag, food, Garden, natural resources. University of Idaho - Searchable online catalog. Plant Disease Reporter. Also news releases, StratSoy, International Society of Arboriculture, 4-H, Disaster Resources, Solutions Series.