Chan, Lois Mai Library of congress subject headings : principles and application / Lois Mai Chan - 3rd ed. - Englewood, Colorado : Libraries Unlimited Inc., 1995. - xiv, 541 p. : ill. ; 24 cm Includes bibliographical references (p. 521-528) and index ISBN: 1563081954 RM264.66 Subjects--Topical Terms: Subject headings, Library of Congress