http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xiii, 413 pages : illustrations, diagrams ; 24 cm.
prepared for the use of agriculture college students, by Clarence Henry Eckles ... Willes Barnes Combs ... [and] Harold Macy ...
McGraw-Hill publications in the agricultural sciences