by United States. Department of Agriculture

1929

by United States. Forest Service. Central states forest research council

1930

by National Agricultural Library (U.S.), United States. Dept. of Agriculture

1963 · Washington, D.C. : National Agricultural Library

by United States. Department of Agriculture

1929

by United States. Congress. House. Committee on Appropriations

1956

by United States. Congress. Senate. Appropriations Committee

1948

by United States. Congress Senate

1948

by United States. Congress. Senate. Committee on Appropriations

1948

by United States. Congress. Senate. Committee on Appropriations

1948

by United States. Congress. Senate. Committee on Appropriations

1948

by United States. Forest experiment station, Appalachian

1923

by United States. Forest Service

1927