U.S. flag

An official website of the United States government

OpenAGRICOLA

Main content area

Information indexing and subject cataloging: alphabetical, classified; coordinate, mechanical.

Main Author:
Metcalfe, John Wallace, 1901-
Format:
Book
Language:
English
Subjects:
Classification
Subject headings
Information storage and retrieval systems
View in NAL's Catalog:
CAT10999275