All that can presently (May 2013) be gleaned about by internet searching is that Jas. F. Thomas is the one-off composer of Formanian (1907).
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by Jas. F. Thomas. It does not claim to be complete and represents only the number of items located. Key: Electronic Resource Items