found: Martinus Garatur Laudensis, ein italienischer Rechtsgelehrter des 15. Jahrhunderts, 1986:title page (Ingrid Baumgärtner) preface (submitted this work as her doctoral thesis to the Universität München in 1983)
found: Helmarshausen, 2003:title page (Ingrid Baumgärtner) page 238 (Prof. Dr. Ingrid Baumgärtner; born 1957 in Augsburg; professor of Medieval history at Universität Kassel)
found: German Wikipedia, March 9, 2015(Ingrid Baumgärtner; born 22 May, 1957, in Augsburg; studied medieval history, German and social studies at Munich and Augsburg; she joined the faculty of the Universität Kassel in 1994 as professor of medieval history) - http://de.wikipedia.org/wiki/Ingrid_Baumg%C3%A4rtner found: Deutsche Nationalbibliothek online catalog, viewed October 12, 2021(authorized access point: Baumgärtner, Ingrid; other data in authority record: German historian; born 1957 in Augsburg; she has been professor of medieval history at Kassel since 1994)
