Reddit reviews Castles and Palaces - Germany

Sorry, I am not really an expert on the topic. My knowledge of castles is as a young archaeologist in Germany tangible at best, my focus is prehistory.

Zeune wrote this book that was translated in english. I did not read it, but the author is reputable. I suspect it's more about architecture, though.

I think your questions can't easily be answered anyway since sources on those informations are very thin.