Books by R. Travis Osborne

Cover of Twins, black and white

Twins, black and white

by R. Travis Osborne

1980

Cover of The Testing of Negro intelligence

The Testing of Negro intelligence

by R. Travis Osborne, Frank C. J. McGurk

1982

Cover of Human variation

Human variation

by C. D. Darlington, Clyde E. Noble, R. Travis Osborne, Nathaniel Weyl

1978

Cover of Gender Defenders of the Sport Binary

Gender Defenders of the Sport Binary

by Travis R. Bell, Anne C. Osborne

2025

Racial Difference in Mental Growth and School Achievement (IAAEE monographs)

Racial Difference in Mental Growth and School Achievement (IAAEE monographs)

by R. Travis Osborne

1966

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