Keyser, Cassius Jackson, 1862-
Portraits of famous philosophers who were also mathemati- cians, with biographical accounts by Cassius Jackson Keyser New York, Scripta mathematica, 1939.
(02) p. 12 port. 34.
Issued in portfolio.
In 18 parts of (4; pages each. The first part consists of t.-p., foreword, ete. ; each of the remaining parts, which are numbered 1 to xu, is accom- panied by a portrait and has special t.-p. with imprint: New York, Pic- torial mathematics, 1939.
1. Philosophers. 1. Title. 40-5505 Library of Congress B72.K45
Copy 2. ®
Copyright A 136719 3) 921