Annual reports of the Department of Agriculture ...

1917

Annual reports of the Department of Agriculture ...

1912

Annual reports of the Department of Agriculture ...

1916

The Bulletin of the North Carolina Department of Agriculture.

36

The Bulletin of the North Carolina Department of Agriculture.

34

The Bulletin of the North Carolina Department of Agriculture.

35

The Bulletin of the North Carolina Department of Agriculture.

33

The Bulletin of the North Carolina Department of Agriculture.

27-28

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