Vocabularies for Batten card (Peek-a-boo) indexing
Series: Northern Classification Study Group paper -- no. 4; Occasional paper / Liverpool Polytechnic. Dept. of Library and Information Studies -- no. 2; Occasional paper (Liverpool Polytechnic. Dept. of Library and Information Studies) -- no. 2
Publisher: Liverpool Polytechnic, Dept. of Library and Information Studies
Place of publication: Liverpool
Language: eng
Number of pages: 29
Subjects: Punched card systems -- Libraries
Other titles: Batten card (Peek-a-boo) indexing.; Peek-a-boo indexing.
Notes: Cover title.

Bibliography: p. 27-29.