All that can presently (May 2013) be gleaned about by internet searching is that Helena Wertheim is the one-off composer of Carolina's March, Two Step and Cake Walk (1901).
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by Helena Wertheim. It does not claim to be complete and represents only the number of items located. Key: Electronic Resource Items