An Encyclopedia of world history. Edited by William L. Langer, revised with the assistance of Geoffrey Bruun.
R618922. An Encyclopedia of world history. Edited by William L. Langer, revised with the assistance of Geoffrey Bruun. NM: new material including text, index & maps. © 8Nov48; A27471. William L. Langer & Geoffrey Bruun (A); 24Nov75; R618922.
William L. Langer & Geoffrey Bruun|A