Fox, Violet. Dewey decimal classifcation : Schedules 200-599 / By Violet Fox, Alex Kyrios. - 2020. - USA : OCLC, 2020. - 1164p.v.. ; 00 cm. ISBN: 9781556530913 Subjects--Topical Terms: LIBRARY SCIENCE. Dewey Class. No.: 025.431 / DEW