Avery, George A. From Our Grand Secretary's Office(PDF). The Freemason (Philadelphia: Grand Lodge of Pennsylvania). 1957: p. 3 [2023-06-18]. (原始内容存档(PDF)于2023-02-28) (英语).
Avery, George A. From Our Grand Secretary's Office(PDF). The Freemason (Philadelphia: Grand Lodge of Pennsylvania). 1957: p. 3 [2023-06-18]. (原始内容存档(PDF)于2023-02-28) (英语).