All that can presently (October 2019) be gleaned about Effie F. Kamman from sheet music covers and by internet searching is that she has 6 works published between 1895 and 1923.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 6 works by Effie F. Kamman.
It does not claim to be complete and represents only the number of items located. Keys:ER