found: Quellen zur Verfassungsgeschichte des Römisch-Deutschen Reiches im Spätmittelalter (1250-1500), 1983:title page (Lorenz Weinrich)
found: LC data base, April 2, 1984(hdg.: Weinrich, Lorenz)
found: Quellen zur Reichsreform im Spätmittelalter, 2001:jacket (born 1929)
found: Sicardus, Bishop of Cremona. Mitralis, 2011:title page (Lorenz Weinrich) back cover (he was professor of Medieval History at the Freie Universität Berlin)
found: German Wikipedia, viewed September 3, 2020(Lorenz Weinrich; Lorenz Hubert Weinrich; born August 20, 1929, in Salzwedel (Altmark); German historian; obtained his doctorate at the Freie Universität Berlin in 1954; joined the faculty of the Friedrich-Meinecke-Institut at the Freie Universität Berlin in 1962)
found: Deutsche Nationalbibliothek online catalog, viewed September 3, 2020(authorized access point: Weinrich, Lorenz; other data in authority record: German professor of medieval history at the Freie Universität Berlin; born 1929) - http://d-nb.info/gnd/105077380