Going to the limit : toward the construction of Darwin's theory (1832-1839)

by Gruber, Howard E.
Published in The Darwinian heritage : [incl. proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985)

Darwin on man : a psychological study of scientific creativity

by Gruber, Howard E.
Published 1981

Classmark: PH 3 *Gru/Dar