Contributions from the Botanical Laboratory of the University of Pennsylvania.

1, 1892-1897

Contributions from the Botanical Laboratory of the University of Pennsylvania.

5, 1919-1920

Transactions and proceedings of the Botanical Society of Pennsylvania.

1

The system of animate nature; the Gifford lectures delivered in the University of St. Andrews in the years 1915 and 1916, by J. Arthur Thomson.

1

The system of animate nature; the Gifford lectures delivered in the University of St. Andrews in the years 1915 and 1916, by J. Arthur Thomson.

2

Old Akkadian inscriptions in Chicago Natural History Museum; texts of legal and business interest / Ignace J. Gelb, Professor of Assyriology, The Oriential Institute, The University of Chicago.

v.44:no.2(1955)

Peruvian snakes from the University of Arequipa, by Karl P. Schmidt and Warren F. Walker.

v.24:no.26(1943)

University of Kansas publications, Museum of Natural History.

v.1 (1946-1950)

The University of Kansas science bulletin.

v.1 (1902)

Arctoid genetic characters as related to the genus Parictis / [by] John Clark -- and Thomas E. Guensburg, University of Illinois. [Patricia M. Williams -- editor.]

v.26:no.1(1972)

A new and primitive early Oligocene horse from Trans-Pecos Texas / Paul O. McGrew, Dept. of Geology, The University of Wyoming.

v.10:no.15(1953)