Heinrich Richard Maertens http://worldcat.org/identities/lccn-no2002058972/ BCEME
Steven Avery Administrator Sep 27, 2022 #1 Heinrich Richard Maertens Heinrich R. Märtens worldcat.org BCEME Last edited: Sep 27, 2022
Steven Avery Administrator Sep 27, 2022 #2 Mosheim or Maertens? https://books.google.com/books?id=gllOAAAAcAAJ&pg=PA1