Conservation : hearing before the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundred Seventh Congress, first session, February 28, and March 1, 2001
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O. [Congressional Sales Office], 2002. [Buffalo, New York] : William S. Hein & Co., [2012]