Dewey, Melvil, 1851-1931.
Dewey decimal classification and relative index (Vol. 4) / devised by Melvil Dewey. - 20th ed. - Albany, N.Y. : Forest Press, a division of OCLC Online Computer Library Center, c1989. - vii, 960 ; 24 cm. - : Relative Index, Manual. Volume 4 .
0910608377 0910608415
Classification, Dewey decimal.
025.431 / DED
Dewey decimal classification and relative index (Vol. 4) / devised by Melvil Dewey. - 20th ed. - Albany, N.Y. : Forest Press, a division of OCLC Online Computer Library Center, c1989. - vii, 960 ; 24 cm. - : Relative Index, Manual. Volume 4 .
0910608377 0910608415
Classification, Dewey decimal.
025.431 / DED