Battles from Swedish History
- Provides detailed summaries of the Swedish campaigns in Germany from 1630 through 1641 and accounts of the major battles including Breitenfeld and Lützen. Also contains materials on other 16th and 17th Century Swedish wars.
- http://home.swipnet.se/~w-42039/Slahist.htm

The Thirty Years War
- Complete text of ebook written by Johann Christoph Friedrich von Schiller.
- http://www.gutenberg.org/etext/6775

WorldWide School: The History of the Thirty Years' War
- German Romantic Schiller's classic 19th century history.
- http://www.worldwideschool.org/library/books/hst/european/TheHistoryoftheThirtyYearsWar/toc.html

University of Texas: Map of the Religious Situation in Central Europe in 1618
- Shows the principal political units of the Holy Roman Empire and the religious affiliations of their inhabitants. Large file: 581K.
- http://www.lib.utexas.edu/maps/historical/shepherd/central_europe_relig_1923.jpg

University of Texas: Map of the Principal Seats of War in Europe 1618-60
- Map showing the sites of many of the battles, and the courses of many of the campaigns, of the war during the 1620's and 1630's. Large file: 581K
- http://www.lib.utexas.edu/maps/historical/shepherd/europe_war_1618-1660.jpg

Virtual Library: Thirty Years War Links
- A list of Thirty-Years-War-related sites in various languages compiled by Prof. Marra of Dortmund University.
- http://www-geschichte.fb15.uni-dortmund.de/fnz/thirty.html

European State Finance Database: French Finance under Louis XIII and Richelieu
- Money being the sinews of war, this article describes the sources of French revenue both before and after intervention in the Thirty Years War.
- http://www.le.ac.uk/hi/bon/ESFDB/louis.html

Thirty Years' War
- Brief summaries of the war, its battles and its warlords, primarily focussed on the military dimension.
- http://www.strategos.demon.co.uk/tywhome/index.htm

History Learning Site: The Thirty Years War
- A survey geared toward students taking the UK "A-Level" examinations containing a background and summary of the war.
- http://www.historylearningsite.co.uk/thirty_years_war.htm

Sam Houston State University: Readings for the Thirty Years War
- Translated excerpts from contemporary documents, including the Papal Bull condemning the Peace of Westphalia.
- http://www.shsu.edu/~his_ncp/Thirty.html

350th Anniversary of the Peace of Westphalia
- Prepared in connection with the 1998 celebrations of the anniversary at Munster, this site contains a year-by-year time-line and short essays on the war and the peace. Frames. Versions in Dutch, Swedish, Spanish and French. Some materials German only.
- http://www.muenster.de/friede/gb/index_set_gb.htm

Renascence Editions: Warre with the Spaniard
- 1624 pamphlet urging James I of England to cease negotiations with the Spanish and intervene in the Thirty Years War
- http://darkwing.uoregon.edu/~rbear/spain.html

Thirty Years War Museum
- Museum located in the Bishop's Tower at Wittstock, Germany. Contains a description of the museum's organization and holdings. Frames.
- http://www.uni-potsdam.de/u/geschichte/mdk/indexe.htm

Avalon Project: The Peace of Westphalia
- Full text of the 1648 Treaty of Münster, which, together with the simultaneous Treaty of Osnabrück, brought the war to an end.
- http://www.yale.edu/lawweb/avalon/westphal.htm

Hanover Historical Texts: The Destruction of Magdeburg
- Contemporary account of the 1631 sack of the city of Magdeburg by Imperial forces.
- http://history.hanover.edu/texts/magde.htm

30 Years War Publications and Other Information
- Contemporary account of the 1632 Battle of Breitenfeld from an English soldier serving in the victorious Swedish army and a contemporary political cartoon.
- http://www.lukehistory.com/resources/30yrswar.html

Catholic Encyclopedia: The Thirty Years War
- Lengthy article describing the war, first published in 1912.
- http://www.newadvent.org/cathen/14648b.htm