found: Its The discipline of the Society of Friends, by some styled the Free Quakers, 1781.
found: Eckert, J. Guide to the records of Philadelphia Yearly Meeting, 1989:p. 269 (Free Quakers; established 1781 by some Quaker supporters of the Revolution, following their disownment; meetinghouse built 1783 at corner of Fifth and Arch Streets; ceased to exist in 1836)
found: Barbour, H. The Quakers, 1988:p. 144 (Society of Free Quakers; established 1781 by few disowned and patriotic Quakers in Philadelphia)