Early fifteenth-century music, 1977---p. IX de la partitura (Magister Zacharias)

The New Grove Dictionary of Music and Musicians, 2001---(Zacara da Teramo, Antonio [Antonius Berardi Andree de Teramo]; Zaca, Zacara, Zaccara, Zachariel; b. ?Teramo, ca. 1350-60, d. after 19 May 1413; Italian composer, singer and scribe)