Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1958

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1959

Land and fresh-water mollusks from Peru.

v.31:no.28(1949)

Annual report of the Director to the Board of Trustees for the year ... / Field Museum of Natural History

12, no. 1

Annual report of the Director to the Board of Trustees for the year ... / Field Museum of Natural History

12, no. 3

Three new land shells from Peru.

v.31:no.23(1947)

The Upper Ordovician fauna of Frobisher bay, Baffin Land, by Sharat Kumar Roy.

v.2(1941)

Annual report of the National Science Board.

7th ed.

Annual report of the National Science Board.

5th ed.

Annual report of the National Science Board.

8th ed.

Agriculture of Maine. ... annual report of the Secretary of the Maine Board of Agriculture.

1863

Agriculture of Maine. ... annual report of the Secretary of the Maine Board of Agriculture.

1862