An investigation and comparison of three associative systems in a general subject heading list
By: by George Martin Sinkankas.
Published: 1974
Language: eng
Format: Microform
Number of pages: 572
Subjects: Sears, Minnie Earl, -- 1873-1933.; Subject headings.; Cross references (Information retrieval)
Notes: Thesis--University of Pittsburgh.

Includes bibliographical references.

Microfilm (positive) of typescript. Ann Arbor : University Microfilms. 1 reel : 35 mm.