All that can presently (May 2013) be gleaned about by internet searching is that Gene Jefferson is the one-off composer of I Have'nt Changed My Mind Since Then (1901) published by New York Journal and Advertiser, New York, USA. It was co-authored by a certain Bob Irving and arranged by William C. Polla
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 2 works by Gene Jefferson.
It does not claim to be complete and represents only the number of items located. Keys:ER(w&m)