All that can presently (December 2015) be gleaned about by internet searching is that O.E. Keenan is the one-off composer of Monkey Motion Rag (1911) published by The W.H. Willis Music Company, Cincinnati, Ohio, USA.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by O.E. Keenan.
It does not claim to be complete and represents only the number of items located.