http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Texas Agricultural and Mechanical College System
G.O. Hoffman, B.J. Ragsdale, Extension Range Specialists, The Texas A. & M. College System.
The United States Department of Agriculture cooperating.
Leaflet (Texas Agricultural Extension Service) ; 415