All that can presently (June 2019) be gleaned about Robert Buechel from sheet music covers and by internet searching is that he has 3 works published between 1898 and 1908.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 3 works by Robert Buechel.
It does not claim to be complete and represents only the number of items located. Keys:ER