All that can presently (September 2019) be gleaned about Rudolph O. Goldsmith from sheet music covers and by internet searching is that he has 8 works published between 1884 and 1895.
This list is arranged in chronological order and contains 8 works by Rudolph O. Goldsmith.
It does not claim to be complete and represents only the number of items located. Keys:ER(w&m)