Dewey, Melvil, 1851-1931.
Dewey decimal classification and relative index (Vol. 1) / devised by Melvil Dewey. - 20th ed. - Albany, N.Y. : Forest Press, a division of OCLC Online Computer Library Center, c1989. - lxi, 514 ; 24 cm. - : Introduction, Tables. Volume 1 .
0910608377 0910608385
Classification, Dewey decimal.
025.431 / DED
Dewey decimal classification and relative index (Vol. 1) / devised by Melvil Dewey. - 20th ed. - Albany, N.Y. : Forest Press, a division of OCLC Online Computer Library Center, c1989. - lxi, 514 ; 24 cm. - : Introduction, Tables. Volume 1 .
0910608377 0910608385
Classification, Dewey decimal.
025.431 / DED