C. R. Day: The Music and Musical Instruments of Southern India and the Deccan (London, 1891).
J. A. Van Aalst: Chinese Music (Shanghai, 1884).
W. Lane: Modern Egyptians (London, 1871).
J. F. Piggot: Music and Musical Instruments of Japan (London, 1893).
A. J. Ellis: On the Musical Scales of Various Nations (1885).
W. Pole: Philosophy of Music (London, 1879).
Sourindro Mohun Tagore: Six Principal Ragas, with a brief survey of Hindoo music (Calcutta, 1877).
G. L. Raymond: Rhythm and Harmony in Poetry and Music (New York, 1893).
In German
R. G. Kiesewetter: Die Musik der Araber (1842).