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

no.173-183 (1910) [incomplete]

Bulletin / U.S. Department of Agriculture, Division of Vegetable Physiology and Pathology.

16-22

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

no.38-50 (1903) [incomplete]

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 / 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)