[en] [Gutenberg 19714] • With Frederick the Great: A Story of the Seven Years' War Robinson Books
[en] [Gutenberg 3460] • Old Fritz and the New Era Forgotten Books
[en] [Gutenberg 4067] • Frederick the Great and His Court Kessinger Publishing
[en] [Gutenberg 2115] • History of Friedrich II of Prussia — Volume 15 Cambridge University Press