'Undefeated under the Three Crowns' : Stralsund and Griebenow as examples of places of remembrance for the Great Northern War in Pomerania - Porada, Haik Thomas (. "Princess Hedvig Sofia" and the Great Northern War. - Dresden : Sandstein Verlag, [2015]. - 415 Seiten. - Illustrationen, Karten. - ISBN 978-3-95498-166-3, 2015)