Gehrkens, Karl Wilson
1882 – 1975
An introduction to school music teaching
Essentials in conducting
Music notation and terminology
The fundamentals of music
Handbook of musical terms
Music in the grade schools
Music in the grade schools; grades 1-6
Music in the junior high school
Music in the junior high school; grades 7-9
Revised music notation and terminology
Twenty lessons in conducting
Universal School Music Series