Conjectures and Refutations: The Growth Of Scientific Knowledge by Karl Popper

1981 Objective Knowledge by Karl R. Popper Revised Edition Paperback Book

The Poverty of Historicism; K. Popper - vintage/PB/VG+

Knowledge and the Body-Mind Problem by Karl R. Popper 1997 Paidos Iberica

The Poverty Of Historicism By Popper R. Karl Vintage Paperback 1964 Harper & Row

1968 Conjectures and Refutations by Karl R. Popper Paperback Book

Unended Quest An Intellectual Autobiography by Popper, Karl Paperback 1976