The Nuttall Encyclopedia
A compact concluded in 1761 between the Bourbons of France, Spain, and Italy to resist the naval power of England.
Wood, James, ed. Entry for 'Family Compact'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/f/family-compact.html. Frederick Warne & Co Ltd. London. 1900.