Full title of the English version: Sidonia the Sorceress: The Supposed Destroyer of the Whole Reigning Ducal House of Pomerania (full text at Internet Archive, Google Books and Project Gutenberg). Also referred to as The Convent Witch, a translation of the German subtitle Die Klosterhexe (Daguerreotype of 1848)
books.google.com
Full title in German: Sidonia von Bork, die Klosterhexe, angebliche Vertilgerin des gesamten herzoglich-pommerschen Regentenhauses (preview at google books)
Full title of the English version: Sidonia the Sorceress: The Supposed Destroyer of the Whole Reigning Ducal House of Pomerania (full text at Internet Archive, Google Books and Project Gutenberg). Also referred to as The Convent Witch, a translation of the German subtitle Die Klosterhexe (Daguerreotype of 1848)