Brown, A. G. An introduction to subject indexing / A.G. Brown, in collaboration with D.W. Langridge and J. Mills. - 2nd ed. - London : Bingley, 1982. - ca. 250 p. : ill. ; 23 cm. Includes index. ISBN: 0851573312 LCCN: 82182759 Subjects--Topical Terms: Subject cataloging--Programmed instruction.Indexing--Programmed instruction. LC Class. No.: Z695 / .B87 1982 Dewey Class. No.: 025.48