Culture and evolution, by E. Kahler.
The human revolution, by C. F. Hockett and R. Ascher.
Brains, genes, culture, immaturity, and gestation, by M. F. A. Montagu.
The biological basis of human sociality, by E. W. Count.
Selective forces in the evolution of man, by E. Caspari.
Cranial capacity and the evolution of the human brain, by R. L. Holloway, Jr.
Self, society, and culture in phylogenetic perspective, by A. I. Hallowell.
The multiple bases of human adaptability and achievement: a species point of view, by B. E. Ginsburg and W. S. Laughlin.
Cultural selection of human psychological types, by R. Kuttner.