Monography of the family Unionidae, or Naiades of Lamarck (fresh water bivalve shells,) of North America, : illustrated by figures drawn on stone from nature. / by T.A. Conrad ...

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Permo-Carboniferous fresh water burrows / Everett C. Olson -- and Kathryn Bolles --.

v.33:no.15(1975)

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

9, no. 2

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

10, no. 2

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

5, no. 6

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

6, no. 1

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

3, no. 2

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

7, no. 3

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

3, no. 4

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

2, no. 4

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

11, no. 1

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

1, no. 5

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

4, no. 2

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

5, no. 5

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

2, no. 2