The active testimony of the true Presbyterians of Scotland, [electronic resource] : being a brief abstract of acknowledgment of sins, and engagement to duties, &c. As also a first and second declaration of war against all the enemies of Christ at home and abroad. And likewise a postscript, containing a declaration and testimony against the late unjust invasion of Scotland by Charles pretended Prince of Wales, and William pretended Duke of Cumberland and their malignant emissaries.