Dewey, Melvil.
Dewey decimal classification and relative index / Melvil Dewey ; edited by John P Comaromi...[et al.]. - 20th ed. - New York : Forest Press, a division of OCLC Online Computer Library Center, 1989. - Vols. : ill. ; 24 cm.
V. 4- Relative index-manual ;
38 38
0-910608-37-7
Library science.
Classification
025.431 / D515d
Dewey decimal classification and relative index / Melvil Dewey ; edited by John P Comaromi...[et al.]. - 20th ed. - New York : Forest Press, a division of OCLC Online Computer Library Center, 1989. - Vols. : ill. ; 24 cm.
V. 4- Relative index-manual ;
38 38
0-910608-37-7
Library science.
Classification
025.431 / D515d