All that can presently (May 2013) be gleaned about by internet searching is that Mary A. Boysen is the one-off composer of Kabe Yun - West Wind (1905).
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by Mary A. Boysen.
It does not claim to be complete and represents only the number of items located. Keys:ER