"Introduction". How I became a cornetist(PDF). St. Louis: Joseph L. Huber. 1934. p. vi. Archived from the original(PDF) on 22 December 2005. Retrieved 6 July 2017.
Clarke, Herbert (1934). How I became a cornetist(PDF). St. Louis: Joseph L. Huber. Archived from the original(PDF) on 22 December 2005. Retrieved 6 July 2017.
"Introduction". How I became a cornetist(PDF). St. Louis: Joseph L. Huber. 1934. p. vi. Archived from the original(PDF) on 22 December 2005. Retrieved 6 July 2017.
Clarke, Herbert (1934). How I became a cornetist(PDF). St. Louis: Joseph L. Huber. Archived from the original(PDF) on 22 December 2005. Retrieved 6 July 2017.