New knowledge library : universal reference encyclopedia. - London : Bay Books, c 1981. - Vols. : ill. ; 29 cm. V.13 - gua-hob ; 322 322 ISBN: 85835 456 X (v-13) 85835 456 X. Subjects--Topical Terms: Encyclopedia.Encyclopedias and dictionaries. Dewey Class. No.: 030 / N42