His A defence of the Duke of Buckingham's book ... 1685.
His Urim and thummim ... 1674 t.p. (W. P.)
His Englands great interest in the choice of this new Parliament, 1679 p. 4 (Philanglus)
InU/Wing STC files (usage: William Pen; a friend to righteousness and peace)
His A defence of the Duke of Buckingham ... 1685 t.p. (Author of the late Considerations)
InU/Wing STC files (usage: a friend to liberty for liberties sake)
His The great question to be considered by the King, and this approaching Parliament ... 1679 p. 8 (Philo-britannicus)
Pennsylvania. Governor (1699-1701 : Penn). The governor's speech to the Assembly, at Philadelphia, 1701 (name not given)
Raimo, J.W. Bio. dir. of Amer. colonial and revolutionary governors 1607-1789, 1980 (Penn, William; Penn. governor 1682-84 and 1699-1701)
His Som [sic] free reflections upon occasion of the public discourse about liberty of conscience ... 1687 t.p. (One who cordially imbraces whatsoever there is of tru religion in al professions, and hates every thing which makes any of them hate or hurt one another)
His A letter from a gentleman in the country, to his friends in London, upon the subject of the penal laws and tests, printed in the year 1687.
Encyclopedia Britannica online, viewed Apr. 4, 2014 (William Penn, born Oct. 14, 1644 in London, England; died July 30, 1718, Buckinghamshire, England; English Quaker leader and advocate of religious freedom, who oversaw the founding of the American Commonwealth of Pennsylvania as a refuge for Quakers and other religious minorities of Europe)