Penn, W., & Early English Books Online. (1688). Three letters tending to demonstrate how the security of this nation against al future persecution for religion lys in the abolishment of the present penal laws and tests, and in the establishment of a new law for universal liberty of conscience. London: Printed, and sold, by Andrew Sowle ....MLA Citation
Penn, William, and Early English Books Online. Three Letters Tending to Demonstrate How the Security of This Nation against Al Future Persecution for Religion Lys in the Abolishment of the Present Penal Laws and Tests, and in the Establishment of a New Law for Universal Liberty of Conscience. London: Printed, and sold, by Andrew Sowle ..., 1688.