Phil J. Dahm 
Last updated: 22.04.17
All that can presently (December 2015) be gleaned about by internet searching is that Phil J. Dahm is the one-off composer of That Dahm Rag (1912) published by Phil J. Dahm, Chicago, Illinois, USA.
Surfers are welcome to contribute information about this composer.
CDs :
Ragtime Music CDs:
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