Hays, I. M. 1. (1906). The record of the celebration: Of the two hundredth anniversary of the birth of Benjamin Franklin, under the auspices of the American Philosophical Society, held at Philadelphia for promoting useful knowledge, April the seventeenth to April the twentieth, A.D. nineteen hundred and six. Philadelphia: Printed For The American Philosophical Society.

Hays, I. Minis 1847-1925. The Record of the Celebration: Of the Two Hundredth Anniversary of the Birth of Benjamin Franklin, Under the Auspices of the American Philosophical Society, Held At Philadelphia for Promoting Useful Knowledge, April the Seventeenth to April the Twentieth, A.D. Nineteen Hundred and Six. Philadelphia: Printed For The American Philosophical Society, 1906.

Hays, I. Minis 1847-1925. The Record of the Celebration: Of the Two Hundredth Anniversary of the Birth of Benjamin Franklin, Under the Auspices of the American Philosophical Society, Held At Philadelphia for Promoting Useful Knowledge, April the Seventeenth to April the Twentieth, A.D. Nineteen Hundred and Six. Philadelphia: Printed For The American Philosophical Society, 1906.