00607cam a2200217 4500 55695732 TxAuBib 19990619120000.0 990619s1997||||||||||||||||||||||||und|u 96-60209 9780716600978 0716600978 TxAuBib World Book Encyclopedia. The WORLD BOOK ENCYCLOPEDIA. 1st copy. CHICAGO, IL. : WORLD BOOK, INC., 1997. 622 PAGES. W-X-Y-Z VOLUME 21 1997 EDITION. 19990619.