PA History Witch – Margaret Mattson was Profiled and Arrested in the 1680s, (by Tom Roy Smith, AKA The Ghost of William Penn. Delaware County Daily Times, October 15, 2013) [6]
ecis.com
The Century Magazine, (by J. M. Buckley. December 1891 Vol. XLIII, No. 2) "Archived copy". Archived from the original on 2003-05-02. Retrieved 2003-04-13.{{cite web}}: CS1 maint: archived copy as title (link)
newspapers.com
Martin, Sheila W. (September 7, 1969). "The Witch of Ridley Creek". The Philadelphia Inquirer. Philadelphia, PA. p. 34. Retrieved November 15, 2022 – via Newspapers.com.
northvegr.org
Some of The Famous Witch Trials In Pennsylvania (The Realness of Witchcraft In America. Northvegr Foundation) [4]Archived 2009-08-27 at the Wayback Machine
pabar.org
"The Fame Of A Witch" (The Pennsylvania Lawyer. Craig R. Shagin, Published by the Pennsylvania Bar Association, September–October 2016) [5]
quakersintheworld.org
Pennsylvania’s Only Witch Trial (from: Quakers in the World. Ideas for Educators) [3]
rays-place.com
history.rays-place.com
History of Ridley Township, Pa. (from: A History of Delaware County, Pennsylvania. John W. Jordan, Published By Lewis Historical Publishing Company, New York 1914) [2]Archived 2015-04-24 at the Wayback Machine
strecorsoc.org
Witchcraft and Quakerism: A Study in Social History (Chapter IV, by Amelia Mott Gummere. Street Corner Society) [1]Archived 2013-12-16 at the Wayback Machine
web.archive.org
Witchcraft and Quakerism: A Study in Social History (Chapter IV, by Amelia Mott Gummere. Street Corner Society) [1]Archived 2013-12-16 at the Wayback Machine
History of Ridley Township, Pa. (from: A History of Delaware County, Pennsylvania. John W. Jordan, Published By Lewis Historical Publishing Company, New York 1914) [2]Archived 2015-04-24 at the Wayback Machine
Some of The Famous Witch Trials In Pennsylvania (The Realness of Witchcraft In America. Northvegr Foundation) [4]Archived 2009-08-27 at the Wayback Machine
The Century Magazine, (by J. M. Buckley. December 1891 Vol. XLIII, No. 2) "Archived copy". Archived from the original on 2003-05-02. Retrieved 2003-04-13.{{cite web}}: CS1 maint: archived copy as title (link)