Library service H17A.

অনুযায়ী Horton, Marion
প্রকাশিত 1929

The subject analysis of library materials : papers presented at an institute, June 24-28, 1952 /

প্রকাশিত 1953

Library surveys /

প্রকাশিত 1967

The present status and future prospects of reference/information service; proceedings of the Conference held at the School of Library Service, Columbia University, March 30-April 1...

প্রকাশিত 1967