Trevor Royle published his 2004 book under different titles. In the UK it was called Civil War: The Wars of the Three Kingdoms while in the US it was called The British Civil War: The Wars of the Three Kingdoms, 1638–1660 (Royle 2004)Lỗi harv: không có mục tiêu: CITEREFRoyle2004 (trợ giúp).
