Dialogues on Fundamental Questions of Science and Philiosophy By Pfeiffer, A Books / Paperback Social Science › Philosophy Publisher: Pergamon Press Limited, January 1967 Price $12.51 Free Shipping Send to a friend Used - Very Good Very Good condition. (Dialogues, Science, Philosophy, Cognitive Theory, Ethics, Impulse) $12.51 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.