All that can presently (September 2019) be gleaned about John Valentine Eppel from sheet music covers and by internet searching is that he has 2 works published in 1914.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 2 works by John Valentine Eppel.
It does not claim to be complete and represents only the number of items located. Keys:ER