O esca viatorum composed by Heinrich Isaac (1450-1517). Edited by Richard Proulx. Arranged by Leonard Lechner. For SAB choir, piano reduction. Holy Thursday, Good Friday, Body and Blood of Christ, OT 19 B. Ars Antiqua Series. Sacred. Easy. 4 pages. Published by GIA Publications (GI.G-4983).
Text Source: O esca viatorum from Mainz Gesangbuch, 1661.