- Jeremiah Evarts, Essays on the present crisis in the condition of the American Indians: first published in the National
Intelligencer, under the signature of William Penn (Boston: Perkins & Marvin, 1829).
- Early Canadiana Online, at
http://www.canadiana.org/cgi-bin/ECO/mtq?id=0f5d9b5b5e&doc=51209