Jeremy Murray, "The English-Language Military Historiography of Gustavus Adolphus in the Thirty Years’ War, 1900–Present." Western Illinois Historical Review 5 (2013): 1–30 onlineArchived 31 March 2022 at the Wayback Machine.
Burkhardt, Johann. "Ein Gotenkönig als Friedenskaiser? (lit.: A King of Goths as Emperor of Peace?)". Damals (in German). Vol. 42, no. 8/2010. Abstract in GermanArchived 18 July 2011 at the Wayback Machine.
"Die Chronik" [The chronicle]. www.gustav-adolf-werk.de (in German). Gustav-Adolf-Werk. Archived from the original on 1 November 2014. Retrieved 14 December 2014.
Ålund, Otto Wilhelm (1894). Gustaf II Adolf: Ett 300-årsminne berättadt för ung och gammal : Med öfver 100 illustr. och flera kartor (in Swedish). Stockholm: Alb. Bonnier. p. 12. SELIBR1627779.
Hackenberg, Albert. "Gustav Adolf, op. 73". repertoire-explorer.musikmph.de. Musikproduktion Hoeflich. Archived from the original on 14 August 2022. Retrieved 10 December 2022.
Jeremy Murray, "The English-Language Military Historiography of Gustavus Adolphus in the Thirty Years’ War, 1900–Present." Western Illinois Historical Review 5 (2013): 1–30 onlineArchived 31 March 2022 at the Wayback Machine.
"Die Chronik" [The chronicle]. www.gustav-adolf-werk.de (in German). Gustav-Adolf-Werk. Archived from the original on 1 November 2014. Retrieved 14 December 2014.
Burkhardt, Johann. "Ein Gotenkönig als Friedenskaiser? (lit.: A King of Goths as Emperor of Peace?)". Damals (in German). Vol. 42, no. 8/2010. Abstract in GermanArchived 18 July 2011 at the Wayback Machine.
Hackenberg, Albert. "Gustav Adolf, op. 73". repertoire-explorer.musikmph.de. Musikproduktion Hoeflich. Archived from the original on 14 August 2022. Retrieved 10 December 2022.