All that can presently (December 2015) be gleaned about by internet searching is that William Haskins is the one-off composer of Jack Frost Rag (1928) published by Denton & Haskins, New York, USA.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by William Haskins. It does not claim to be complete and represents only the number of items located. Key: Electronic Resource Items