Francis Hopkinson and James Lyon, Two Studies in Early American Music, O. G. Sonneck. (Printed by the Author in Washington, D. C., 1905.)
Early Concert-Life in America (1731–1800), O. G. Sonneck. (Leipsic, Breitkopf & Haertel, 1907.)
Musicians of Today, Romain Rolland. (Henry Holt, 1917.)
La Musique Française d’aujourd’hui, Jean Aubry. (Perrin & Cie.)
The History of Pianoforte Music, Herbert Westerby. (E. P. Dutton & Co.)
Gustav Mahler, Paul Stefan. (G. Schirmer.)
The Symphony Since Beethoven, Felix Weingartner. (Oliver Ditson Co., 1904.)
Voyage Musical au Pays du Passé, Romain Rolland. (Librairie Hachette & Sons, Ltd., 1909.)
Modern Composers of Europe, Arthur Elson. (Sir Isaac Pitman Sons, Ltd., 1907.)
The Player-Piano Up-to-Date, William Braid White. (Edward Lyman Bill.)