A collection, or narative, sent to His Highness, the Lord Protector of the Common-Wealth of England, Scotland, & Ireland, &c : concerning the bloody and barbarous massacres, murthers, and other cruelties, committed on many thousands of Reformed, or Protestants dwelling in the vallies of Piedmont, by the Duke of Savoy's forces, joyned therein with the French Army, and severall Irish regiments.