Search Results       Your search for [author]Vollaerts, Jan W A., 1901-1956 returned 1 record.           Rhythmic proportions in early medieval ecclesiastical chant. by Vollaerts, Jan W A., 1901-1956; Leiden: Brill, 1960. Subject: Chants (Plain, Gregorian, etc.) -- Hist. & crit; Musical meter and rhythm.          Add to Book Cart Relevance: 32.29%