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)

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

v.12:no.12(1969)

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)

Fishes of the families Evermannellidae and Scopelarchidae : systmatics, morphology, interrelationships, and zoogeography / Robert Karl Johnson.

n.s. no.12(1982)

A new specimen of Desmatochelys lowi Williston; a primitive cheloniid sea turtle from the Cretaceous of South Dakota / Rainer Zangerl -- and Robert E. Sloan --.

v.14:no.2(1960)

Functional morphological models : evolutionary and nonevolutionary / Robert E. DeMar --.

v.33:no.19(1976)

Two new species of Broiliellus (Amphibians) from the Permian of Texas / Robert E. De Mar --

v.16:no.5(1967)

A reconstruction of the shield of the arthrodire, Bryantolepis brachycephalus (Bryant) / Robert H. Denison --

v.14:no.6(1962)

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)

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

v.16:no.10(1968)