Bulletin of the Department of Agriculture, Jamaica.

4, 1906

Bulletin / Department of Agriculture, Forestry Division.

no. 24 pt. 2

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

23-29

Bulletin of the Department of Agriculture, Jamaica.

2, 1904

Bulletin of the Department of Agriculture, Trinidad and Tobago.

19-20, 1920-1922

Annual report of the Pennsylvania Department of Agriculture ...

20

Annual report of the Pennsylvania Department of Agriculture ...

21

Annual reports of the Department of Agriculture ...

1902

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

no. 105-119

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

no. 42-72

Annual report of the Pennsylvania Department of Agriculture ...

11

Annual report of the Pennsylvania Department of Agriculture ...

12

Annual reports of the Department of Agriculture ...

1901

Bulletin / Department of Agriculture, Forestry Division.

6

Bulletin / U.S. Department of Agriculture, Office of Experiment Stations.

125-130