Title: Wolfenb utteler Mittelalter-Studien, Bd. 18: Die Erschliessung der Quellen des mittelalterlichen liturgischen Gesangs
Subjects: Music, Information resources, Cataloging of music manuscripts, Congresses, Gregorian chants, Church music, Catholic Church, Manuscripts, Kerkzang, Geschiedbronnen, Church music, catholic church, Cataloging of music