Harald Stümpke and Karl D. S. Geeste are pseudonyms for author Gerolf Steiner. The correct spelling is Stümpke (or in English Stuempke), not Stumpke.
No events listed. (add an event)
Improve this author
Gerolf Steiner is currently considered a "single author." If one or more works are by a distinct, homonymous authors, go ahead and split the author.
Gerolf Steiner is composed of 7 names. You can examine and separate out names.