- DeLeon, David (1978). The American as Anarchist. Baltimore: Johns Hopkins University Press. pp. 147–149. ISBN 978-0-8018-2126-4.
- Remaking America, pp. 231, 235-7, see scan
- https://books.google.com/books?id=QpDzkTMZQp8C&pg=PA273
- Remaking America: Public Memory, Commemoration...
- https://books.google.com/books?id=jhmQvhJMUagC&pg=PA186
- https://books.google.com/books?id=BFmbh7eedW4C&pg=PA183
- https://books.google.com/books?id=-OYDAAAAMBAJ&pg=PA18
- https://books.google.com/books?id=4wMEAAAAMBAJ&pg=PA21
- https://books.google.com/books?id=KRCfAgAAQBAJ&pg=PA606
- congressional record
- https://books.google.com/books?id=yewpAQAAIAAJ&q="people%27s+bicentennial+commission"
