All that can presently (July 2019) be gleaned about Carl Malemberg from sheet music covers and by internet searching is that he has 2 works published between 1887 and 1908.
Of ragtime interest is Mammy's Barn Dance
(1908) published by E. Osborne & Co. Ltd.
, , Londone EC, England.
Surfers are welcome to contribute information about this composer.