After his patriotic drama Die Hermannsschlacht [Hermann’s Battle, 1808], Kleist resolved to write a play to encourage Prussia to resist Napoleonic domination and gain independence for itself and the other German states. In 1809 he read K.H. Krause’s My Fatherland Under the Hohenzollern Regents and discovered an account of the battle of Fehrbellin (1675). Other possible sources include the Roman historian Livy and his concern with insubordination, the disobedience of the Bastard de Boissy as related by François de Boyvin in his Nouvelles Collections de Mémoires (1607), Frederick the Great’s unsuccessful attempt to escape to England, the fate of Prince Louis Ferdinand who, by …
Reeve, William C.. "Prinz Friedrich von Homburg". The Literary Encyclopedia. First published 29 March 2004; last revised 30 November -1.
[http://www.litencyc.com/php/sworks.php?rec=true&UID=13121, accessed 21 April 2015.]