- E-bookA Popular History of the Art of Music From the Earliest Times Until the PresentW. S. B. (William Smythe Babcock) Mathews
- E-bookThe Masters and their Music A series of illustrative programs with biographical, esthetical, and critical annotationsW. S. B. (William Smythe Babcock) Mathews
- E-bookThe Masters and their Music A series of illustrative programs with biographical, esthetical, and critical annotationsW. S. B. (William Smythe Babcock) Mathews