@book{unknown_gießen_spies_2022, 
  title={Marie 250 (1723-1772): Princess of Great Britain, Landgravine of Hesse-Kassel}, 
  DOI={10.22029/jlupub-624}, 
  publisher={Universitätsbibliothek Gießen}, 
  author={Unknown and Gießen and Spies, Martin}, 
  year={2022}, 
  month={Apr}
  }