Illick, Joseph E. (1971). "'Some of Our Best Friends Are Indians...': Quaker Attitudes and Actions Regarding the Western Indians during the Grant Administration". Western Historical Quarterly. 2 (3): 283–294. doi:10.2307/967835. JSTOR967835.
Illick, Joseph E. (1971). "'Some of Our Best Friends Are Indians...': Quaker Attitudes and Actions Regarding the Western Indians during the Grant Administration". Western Historical Quarterly. 2 (3): 283–294. doi:10.2307/967835. JSTOR967835.
Taylor, Kay S. (2001). "The Role of Quaker Women in the Seventeenth Century, and the Experiences of the Wiltshire Friends." Southern History 23: 10–29. ISSN0142-4688