http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Landscape gardening / prepared by Marvin L. Baker, Ted L. Fisher, Dwight S. Hall, Everett Janne, William C. Welch and Don C. Wilkerson
The United States Department of Agriculture cooperating.
B (Texas Agricultural Extension Service) ; 1489