Areas of Interest:
Danish History in the time of Knut VI and Valdemar II (1180-1227); History of Mecklenburg, Germany (1180-1300); History of the town of Schwaan (Swaan, Svan, Sywan), Mecklenburg, Germany; History of Pomerania, Germany (1300-1800); History of Lower Saxony, Germany (1600-1945).