World Hypotheses: A Study in Evidence by Stephen C. Pepper (Author) August 1972 Paperback $33.95, £29.00|eBook $55.00, £46.00
The Concept of Representation by Hanna F. Pitkin (Author) February 1972 Paperback $31.95, £27.00|eBook $49.95, £42.00
The Rise of Scientific Philosophy by Hans Reichenbach (Author) August 1961 Paperback $31.95, £27.00|eBook $49.95, £42.00
