Jeffrey, Peter Re-envisioning past musical cultures ethnomusicology in the study of Gregorian Chant Peter Jeffrey - Chicago University of Chicago Press 1992 - ix, 211p. 24cm - Chicago studies in ethnomusicology . Includes index Bibliography: p.125-92 ISBN: 0226395790 Subjects--Topical Terms: Chants--History and criticismEthnomusicology Dewey Class. No.: 782 / JEF