memoirs
Bülow, Paula von (1924):Aus verklungenen Zeiten. Lebenserinnerungen 1833-1920.
Ed. by Johannes Werner.
Hase & Koehler - Leipzig
Content:
The author mentions in her memoirs the Dark Countess of Hildburghausen in the context with the identity of Louis XVII alias Naundorff. She believes the Dark Countess was a princess of Bourbon-Condé.