R. W. Holm

Population Biology.

P. Ehrlich, D. Amadon, R. W. Holm, 1962, Science.

The History of the British Flora . A factual basis for phytogeography. H. Godwin. Cambridge University Press, London, 1956. 384 pp. Illus. + plates. $16.50.

R. W. Holm, 1956, Science.

The Process of Evolution

Paul R. Ehrlich, Richard W. Holm, P. Ehrlich, 2013 .

Patterns and Populations

P. Ehrlich, R. W. Holm, 1962, Science.

The American Species of Sarcostemma R. Br. (Asclepiadaceae)

R. W. Holm, 1950 .

A California Flora. Philip A. Munz and David D. Keck. Published for the Rancho Santa Ana Botanic Garden by the University of California Press, Berkeley, 1959. 1681 pp. Illus. $11.50

R. W. Holm, 1960 .