Dewey decimal classification and relative index : vol. 4 Relative index/ Devised by Melvil Dewey ; edited by Joan S. Mitchell ... [et al.] . Dewey, Melvil, 1851-1931. Mitchell, Joan S. editor in chief Beall, Julianne. ed. Martin, Giles . ed. Martin, Giles. ed. Matthews, Winton E. ed. R, Gregory. ed. Clasification, Deway decimal Classification, Dewey Decimal. Z696 .D52 2011 23 025.431 DED Dublin, Ohio : OCLC Online Computer Library Center, 2003. 2003. 2003 Text 4 v. ; eng