pro tempore of the "Congress of the Colony of the Massachusetts-Bay," [Cambridge?], 19 May 1775." /> WARREN, Joseph (1741-1775), <I>patriot, Major General of Militia</I>. Partly printed document signed ("Jos Warren") as President </I>pro tempore</I> of the "Congress of the Colony of the Massachusetts-Bay," [Cambridge?], 19 May 1775. | Christie's