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)

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

v.16:no.4(1966)

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)

Relationships of pocket gophers of the genus Geomys from the Central and Northern Great Plains / by Lawrence R. Heaney and Robert M. Timm.

no.74 (1983)

Studies in neotropical mammalogy : essays in honor of Philip Hershkovitz / edited by Bruce D. Patterson, Robert M. Timm.

n.s. no.39(1987)

Ferns and fern allies of Guatemala. Robert G. Stolze.

n.s. no.12(1983)

Variation in Bornean frogs of the Amolops jerboa species group, with description of two new species / Robert F. Inger, Paul A. Gritis.

n.s. no.19(1983)