Theory of subject analysis : a sourcebook / edited by Lois Mai Chan, Phyllis A. Richmond, Elaine Svenonius. Chan, Lois Mai. Richmond, Phyllis A. Subject cataloging. Z695 .T485 1985 025.47 19 CHT Includes bibliographies and indexes. Littleton : Libraries Unlimited, 1985. 1985. 1985 Text xv, 415 p. : eng