Longiscitula houghae; a new genus of dissorophid amphibian from the Permian of Texas / Robert E. DeMar, Asst. Professor of Geology, University of Illinois, Chicago Circle Campus.

v.16:no.2(1966)

The structure and evolution of teeth in lungfishes / [by] Robert H. Denison --.

v.33:no.3(1974)

Mineral assemblages and the chemical history of chondritic meteorites / [by] Robert F. Mueller -- and Edward J. Olsen --.

v.16:no.15(1969)

New Pennsylvanian lungfishes from Illinois / Robert H. Denison, Curator, Fossil Fishes.

v.12:no.12(1969)

Middle Devonian fishes from the Lemhi Range of Idaho / [by] Robert H. Denison --

v.16:no.10(1968)

Letter from Robert Bell to Edward Wigglesworth, 1781 June 16

This brief letter from Robert Bell in Boston, Massachusetts, to Professor Edward Wigglesworth concerns the donation of books to the College Library.

New Silurian Heterostraci from southeastern Yukon / Robert H. Denison. Intro. by H.R. Hovdebo, A.C. Lenz [and] E.W. Bamber.

v.14:no.7(1963)

Cardipeltis; an early Devonian agnathan of the order Heterostraci / Robert H. Denison.

v.16:no.4(1966)

Early Devonian lungfishes from Wyoming, Utah, and Idaho / [by] Robert H. Denison --

v.17:no.4(1968)

House plants / by Robert Van Tress.

no.20(1937)

Ordovician vertebrates from Western United States / Robert H. Denison --

v.16:no.6(1967)

The phylogenetic and functional implications of the armor of the Dissorophidae / Robert E. DeMar --

v.16:no.3(1966)

Prehistoric men / by Robert J. Braidwood, Research Associate, Old World Prehistory; Associate Professor, Oriental Institute and Dept. of Anthropology, University of Chicago. Drawings by Susan T. Richert.

no.37(1948)

The sponges / by Robert von Lendenfeld.

v.42 (1915) text