An anthology of recent philosophy: selections for beginners from the writings of the greatest 20th century philosophers /

By ROBINSON, Daniel Sommer. New York Thomas Y. Crowell 1929 . xi, 674 p. , Includes appendix & index. 70764

The principles of reasoning: an introduction to logic and sciientific method /

By ROBINSON, Daniel Sommer. New York D.Applecton 1931 . xviii, 393 p. , Includes bibliography & index. 69434