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Octavia Hensel: Life and Letters of Louis M. Gottschalk (Boston, 1870).

History of the American Stage, 1773-1870 (New York, 1870).

Richard Hoffman: Some Musical Recollections (New York, 1910).

Rupert Hughes: American Composers (Boston, 1914).

J. N. Ireland: Record of the New York Stage (New York, 1866-67).

F. O. Jones: Handbook of American Music and Musicians (Buffalo, 1887).

H. E. Krehbiel: Indian Melodies; Interesting Experiments with Their Settings, etc.; Ojibway Songs (1902).

H. E. Krehbiel: Afro-American Folksongs (New York, 1914).

H. E. Krehbiel: Chapters of Opera (New York, 1909).