Biodiversity Heritage Library

By: Zon, Raphaël, - Sparhawk, William N. (William Norwood),

Edition:

Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1928

Volume: no.21

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects:

BHL Collections:

By: Sparhawk, William N. (William Norwood),

Edition:

Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1918

Volume: no.738 (1918)

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects:

BHL Collections:

By: Sparhawk, William N. (William Norwood),

Edition:

Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1938

Volume: no.471

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects:

BHL Collections:

By: Sparhawk, William N. (William Norwood), - Show, S. B. - United States. Forest Service.

Edition:

Publication info: Washington, United States Government Printing Office, 1933

Volume: no.17

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects:

BHL Collections:

By: Sparhawk, William N. (William Norwood),

Edition:

Publication info: Washington, U.S. Govt. Print. Off, 1933

Volume: no.11

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects:

BHL Collections:

By: Sparhawk, William N. (William Norwood),

Edition:

Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1928

Volume: no.26

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects:

BHL Collections: