Darwin's debt to philosophy: an examination of the influence of the philosophical ideas of John F.W. Herschel and William Whewellon the development of Charles Darwin's Theory of Evolution

Darwin's debt to philosophy: an examination of the influence of the philosophical ideas of John F.W. Herschel and William Whewellon the development of Charles Darwin's Theory of Evolution - Studies in History and philosophy of Science part A, 6(2), p.159-181, 1975 .