Baker's biographical dictionary of musicians
Fourth edition revised and enlarged
New York: G. Schirmer, 1940
Church, Charles Fremont
The Lift and Influence of John Philip Sousa.
Ohio State. 1942. Doctoral Dissertation.
Clarke, Herbert L.
My Happy Association with Mr. Sousa
International Musician, 39/11, 1941, p. 27
Larkin, Curtis H.
Gilmore and Sousa as I remember them
Instrumentalist, 3/4, 1949, p. 38-39
John Philip Sousa as an Author.
Sousa : Symbol of an Era, an Interview with Sousa's daughters
International Musician, 47/6, 1948, p. 8-9
Bio-bibliographical index of musicians in the United States of America since colonial times
Prepared by the District of Columbia Historical Records Survey Division of Community Service Programs Works project Administration
Washington, DC: 1941, 439 p.