John Lumea, "The Emperor Championed an Airship Inventor Who Published This Map of San Francisco in 1875," The Emperor Norton Trust, 22 April 2016. "PROCLAMATION. We, Norton I...being anxious for the future fame and honor of the residents of San Francisco, do hereby command all our good and loyal subjects to furnish the means and exert their best skill and advance money to make Mr. Marriott's aerial machine a success. NORTON I. Given at San Francisco, Cal., this 25th day of July, A.D. 1869, in the seventeenth year of our reign."
"Frederick Marriott". The Virtual Museum of the City of San Francisco. San Francisco News Letter and California Advertiser. 21 July 1906. Retrieved 1 September 2018.
sfmuseum.org
"Frederick Marriott". The Virtual Museum of the City of San Francisco. Retrieved January 20, 2007.