Emil Seidel 
Last updated: 22.06.17
All that can presently (January 2016) be gleaned about by internet searching is that Emil Seidel is the one-off composer of Thoroughbreds (1912) published by Seidel Music Pub. Co. Inc., Indianapolis, Indiana, USA.
Surfers are welcome to contribute information about this composer.

Further sheet music at DBE: ON HOLD