Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

39

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

43

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

46

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

37

Annual report of the Pennsylvania Department of Agriculture ...

11

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

38

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

40

Annual report of the Pennsylvania Department of Agriculture ...

12

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

62

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

52

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

44

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

61

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan ...

51

Catalog of fossil spores and pollen,

Cumulative index: v. 11-20, 1965. v. 21-30, 1970. v. 31-40, 1977.

The Zoological bulletin of the Division of Zoology of the Pennsylvania Department of Agriculture.

At head of title, v. 1-4: Pennsylvania State Department of Agriculture.