A Dictionary of Music and Musicians/Bermudo, Juan
BERMUDO, Juan, born near Astorga in Spain about 1510, a Franciscan monk, author of 'Libro de la declaracion de instrumentos.' Volume I. only has been printed (Ossuna, 1549). Soriano-Fuertes ('Historia de la Musica española') states that the original in four volumes is among the MSS. in the National Library at Madrid.