World university encyclopedia, unabridged; an illustrated treasury of knowledge. - New York : Books, inc. , [1969] - 16 v. : illus. (part col.) ; 25 cm. "Based on Progressive reference library." Bibliography: v. 16, p. 5706-5735. LCCN: 78007790 Subjects--Topical Terms: Encyclopedias and dictionaries. LC Class. No.: AE5 / .W58 1969