Manual of classification for librarians and bibliographers. "Published later as manual of classification for librarians /
Sayers, W. C. Berwick
Manual of classification for librarians and bibliographers. "Published later as manual of classification for librarians / - 3rd ed. - 1964.
Classification Library Science
Manual of classification for librarians and bibliographers. "Published later as manual of classification for librarians / - 3rd ed. - 1964.
Classification Library Science