p. 37, l. 16. The Conclusions of Leipsic are described on p. 39.
p. 38, l. 29. The King of Hungary was Ferdinand (afterwards Ferdinand III) son of Ferdinand II. The "King of the Romans" was a title bestowed on the person who was destined to become Emperor. (The Empire was elective but tended to become hereditary.)
p. 39, l. 39. The Peace of Augsburg, 1555, had been intended to settle the differences between the Lutherans and Catholics but it had left many problems unsolved.
p. 42, l. 21. The Protestant bishopric of Magdeburg had been forcibly restored to the Catholics in 1629. In 1631 the citizens of their own accord, relying on Swedish help, declared against the Emperor.
p. 47, l. 40. Torgau, a strongly fortified town in Saxony.
p. 57, l. 37. The Prince of Orange at this time was William II who married Mary, daughter of Charles I.
p. 59, l. 3. Except for the date, which should be 17th of September, and the numbers on both sides which he exaggerates, the Cavalier's account of the battle of Leipsic is fairly accurate.
p. 61, l. 39. Cuirassiers were heavy cavalry wearing helmet and cuirass (two plates fastened together for the protection of the breast and back).
p. 65, l. 10. Crabats is an old form of Croats the name of the inhabitants of Croatia.
p. 66, l. 38. Rix dollar is the English form of Reichsthaler or imperial dollar.