Seay, Albert. Music in the medieval world / Albert Seay. - 2d ed. - Englewood Cliffs, N.J. : Prentice-Hall, [1975] - ix, 182 p. : ill. ; 23 cm. - Prentice-Hall history of music series . Includes bibliographies and index. ISBN: 0136081339 : 0136081258 $8.95. LCCN: 74023185 /MN/r98 Subjects--Topical Terms: Music--History and criticism.--500-1400 LC Class. No.: ML 172 / .S4 1975