Animadversions on two pamphlets lately publish'd by Mr. Collier : the one call'd, A defence of the absolution given to Sir William Parkins at the place of execution, April 3d, the other, A vindication thereof, occasion'd by a paper entituled, A declaration of the sense of the achbishops [sic] and bishops, &c. : shewing the nature of the late absolution, both as to church and state : in a letter to a friend.