No events listed. (add an event)
Is this you?
Become a LibraryThing Author.
Member ratingsAverage: No ratings.
Improve this author
Otto. Text By Hans Obergethmann Siegner is currently considered a "single author." If one or more works are by a distinct, homonymous authors, go ahead and split the author.
Otto. Text By Hans Obergethmann Siegner is composed of 1 name.