Choice of subject headings / by J. McRee Elrod.

by Elrod, J. McRee, 1932-2016.
Published 1980

Introduction to subject indexing : a programmed text / A.G. Brown, in collaboration with D.W. Langridge & J. Mills.

by Brown, A. G.
Published 1976

An introduction to subject indexing / A.G. Brown, in collaboration with D.W. Langridge and J. Mills.

by Brown, A. G.
Published 1982