Benjamin Kidd : portrait of a social Darwinist / D.P. Crook. Crook, D. P. (David Paul) Kidd, Benjamin, 1858-1916. Social Darwinism Biography. 301.0924 19 CRB Includes index. Bibliography: p. 439-449. Cambridge ; New York : Cambridge University Press, 1984. 1984. 1984 Text vii, 460 p. : eng