Chan, Lois Mai
Cataloging and classification: an introduction
McGraw-Hill, 1994
 Buku Teks SO
Marcella, Rita
A new manual of classification
Gower ; Jaico Publishing House,
 Buku Referensi
Sayers, W.C. Berwick
A Manual of classification for librarians
Deutsch, 1967
 Buku Teks SO
Taylor, Arlene G.
Introduction to cataloging and classification
Libraries Unlimited, 1992
 Buku Teks
Hunter, Eric J.
Classification made simple
Ashgate , 2002
 Buku Teks SO