He drew up the bill for making parliaments indissoluble except by their own consent, and supported the Grand Remonstrance and the action taken in the Commons against the illegal canons; on the militia question, however, he advocated a joint control by king and parliament.
For Scottish constitutional history, what there is of it, Sanford Terry's Scottish Parliaments may be recommended.
Scotland was to be forgiven the ransom, receive the Stone of Scone and retain its independent title as a kingdom: her parliaments were to be held within her own borders; her governors and magistrates were to be Scots, freedom of trade was guaranteed, and the earl of Douglas was to be restored to his English estates, or to an equivalent.
Sicily had parliaments, and some constitutional principles were well understood.
By the laws of Frederick parliaments were to be regularly held, and without their consent the king could not make war, peace or alliance.