Hanswilhelm Haefs
Hanswilhelm Haefs has written at least 2 books. Their most popular book is Das ultimative Handbuch des nutzlosen Wissens. with 1 save with an average rating of -⭐.
 Das ultimative Handbuch des nutzlosen Wissens. Das ultimative Handbuch des nutzlosen Wissens.
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