Bulletin / U.S. Department of Agriculture, Bureau of Plant Industry.

no.189-198 (1910-1911)

Bulletin / U.S. Department of Agriculture, Bureau of Plant Industry.

no.102-111 (1907)

Bulletin / United States Department of Agriculture, Division of Agrostology.

no. 21-25 (1900-1901)

Bulletin / U.S. Department of Agriculture, Bureau of Plant Industry.

no.78-90 (1905-1906) [incomplete]

Bulletin / U.S. Department of Agriculture, Bureau of Plant Industry.

no.91-101 (1906-1907)