Details: Proceedings of Symposia in Pure Mathematics Vol. XXIV. Held at St. Louis U., St. Lous, Missouri, March 1972. vii, 340 p. 26 cm. B&w photos of attendees. Burgundy cloth. Ex library with labels on spine and rear pastedown, ink stamps on top edge and title. Corners a bit bumped and a few dents in bottom edges.