http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Manual on conservation of soil and water
"Reprinted with permission for Peace Corps use by United States Department of Agriculture."
Appropriate technologies for development
Reprint (Peace Corps (U.S.). Information Collection and Exchange) ; R 38
Manual (Peace Corps (U.S.). Information Collection and Exchange) ; M 38
Agriculture handbook (United States. Department of Agriculture) ; no. 61