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 / 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]

The Bulletin of the North Carolina Department of Agriculture.

31

The Bulletin of the North Carolina Department of Agriculture.

29

The Bulletin of the North Carolina Department of Agriculture.

32

The Bulletin of the North Carolina Department of Agriculture.

38

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

no.91-101 (1906-1907)