found: Vom Wesen und Wert geschichtlicher Quellen, 1960.
found: German Wikipedia, viewed March 7, 2022(Walter Nissen; born September 3, 1908, in Bergedorf; died September 25, 1993, in Göttingen; German archivist and historian; obtained his doctorate in 1938 at Halle; in 1959, he joined the staff of the Stadtarchiv Göttingen)
found: Deutsche Nationalbibliothek online catalog, viewed March 7, 2022(authorized access point: Nissen, Walter; other data in authority record: born 1908 in Hamburg; died 1993 in Göttingen; German archivist and historian)
found: Information from 678 converted Dec. 18, 2014(Dr. phil.; Direktor des Stadtarchivs Göttingen)