http://reader.digitale-sammlungen.de/de ... 00007.html - Scots officer’s account of his time with the Swedish army of Gustavus, 1626 onwards.
http://reader.digitale-sammlungen.de/de ... 00004.html - Swedish Intelligencer Volume 1 covering the period from the start of the Swedish invasion to the battle of Breitenfeld (Aka Battle of 'Leipsich')
http://reader.digitale-sammlungen.de/de ... 00002.html - Swedish Intelligencer Volume 2 covering the aftermath of Breitenfeld until the conquest of Bavaria
http://reader.digitale-sammlungen.de/de ... 00002.html - Swedish Intelligencer Volume 3 covering the Nürnberg campaign and the Saxon campaign including the battle of Lützen as well as the formation of the Heilbronn Leuague
http://reader.digitale-sammlungen.de/de ... 00002.html - Swedish Intelligencer Volume 4 covering the campaigns of the other Swedish commanders up to the King's death at Lützen
http://reader.digitale-sammlungen.de/de ... 00002.html - Swedish Intelligencer Volume 5 covering parts of the campaigns during 1633 up to Duke Bernhard's capture of Regensburg