All that can presently (March 2015) be gleaned about by internet searching is that L.A. Callan is the one-off composer of Georgetown University March (1895) published by John F. Ellis & Co., Washington, D.C., USA.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by L.A. Callan.
It does not claim to be complete and represents only the number of items located. Keys:ER