All that can presently (December 2015) be gleaned about by internet searching is that William Brunsvold is the one-off composer of Shadow Rag (1910) published by F. B. Haviland Publishing Co. Inc., 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 Brunsvold. It does not claim to be complete and represents only the number of items located. Key: Electronic Resource Items