Coat of Arms of William Williams, U.S. Continental Congressman and signer of the Declaration of Independence for Connecticut
Bolton's American Armory. Boston: F. W. Faxon Co, 1927 and America Heraldica. 1886-89; rpt. New York: Heraldic Publishing Co, 1965 for the motto
Glasshouse using elements by Sodacan and Heralder