Music: Its Laws and Evolution, Jules Combarieu. (Paul, Trench, Trübner & Co., 1903.)
Histoire de la Musique, Felix Clement.
History of Music, Emil Naumann.
Marcotone, Edward Maryon.
Mythology: Age of Fable, Bulfinch.
History of Music, W. J. Baltzell. (Theo. Presser.)
History of Rome, Dionysius Cassius.
Metropolitan Museum of Art Handbook No. 13.
Catalogue of Musical Instruments of All Nations.
Familiar Talks on the History of Music, A. J. Gantvoort. (G. Schirmer.)