The Columbia encyclopedia : in one volume /
compiled and edited at Columbia university; Clarke F. Ansley, editor in chief.
- Columbia university press, 1940.
- 3 p. l., 1949 p., 1 l., 24 p. ; 31 cm.
"Events from the original publication of The Columbia encyclopedia to September 30, 1939, are recorded in the 1939 Supplement" (1 l., 24 p. at end)