http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Roger B. Russell and Donovan R. Every made the full-color photos. B. Francis Kukachka prepared the descriptive texts in collaboration with Douglas A. Zischke and Frederick A. Strenge.
Washington, D.C. : U.S. Dept. of Agriculture, Forest Service, 1956
Agriculture handbook (United States. Department of Agriculture) ; no. 101