Sylvester L. Hartlaub 
Last updated: 22.06.17
All that can presently (May 2013) be gleaned about by internet searching is that Sylvester L. Hartlaub is the one-off composer of Caliope Rag (1911) published by Joseph Krolage Music Co., Cincinnati, Ohio, USA.
Surfers are welcome to contribute information about this composer.

Further sheet music at DBE: ON HOLD