Several reference works cite four such stages: the Bohemian and Palatine War, the Danish - Lower Saxony War, the Swedish War, and the French - Swedish War.
Beberapa karya referensi menyebutkan empat tahap tersebut: Perang Bohemia dan Palatin, Perang Denmark - Lower Saxony, Perang Swedia, dan Perang Prancis - Swedia.