William Penn brief biography

https://threeriversmuseumtrustblog.wordpress.com/2018/03/20/william-penn-commemorating-300-years-since-his-death-and-the-rickmansworth-connection/

Pennsylvania Charter of Privileges 1701

https://liberalarts.utexas.edu/coretexts/_files/resources/texts/1701%20Charter%20of%20Privileges.pdfhttps://liberalarts.utexas.edu/coretexts/_files/resources/texts/1701%20Charter%20of%20Privileges.pdf