All that can presently (October 2019) be gleaned about Don Ewell from sheet music covers and by internet searching is that he has 10 works published around 1946.
Of ragtime interest is Rumpus Rag (?).
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 10 works by Don Ewell.
It does not claim to be complete and represents only the number of items located.