French School, (17th century); French. Medium: engraving. Date: 1638. Nicolas Forme (1567-1638); French composer at the Royal Chapel; mass dedicated to Henri IV (1553-1610) and to his son, Louis XIII (1601-43); Missa duobus choris ac quatuor vocibus composita; Provenance: Bibliotheque Sainte-Genevieve, Paris, France / Giraudon. Photographic Rights The Bridgeman Art Library.