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.

Tests of strength of roof supports used in anthracite mines of Pennsylvania /

"Report of the United States Bureau of Mines to the Pennsylvania State Anthracite Mine Cave Commission and review of the compressive strength of anthracite, bituminous coals and mine supports."