PNP328621 The \'Sons of Liberty\', a secret movement founded in 1765 in opposition to British taxes (litho) by American School, (18th century); Private Collection; (add.info.: \'The True Sons of Liberty and supporters of the non-importation agreement/ Are determined to resent any the least insult or menace offer\'d to any one or more of the several committees appointed by the body at Faneuil-Hall, and chastise any one or more of them as they deserve; and will also support the printers in any thing the committees shall desire them to print, As a warning to any one that shall affront as aforesaid, upon sure information given, one of these advertisements will be posted up at the door or dwelling-house of the offender\';); Peter Newark American Pictures; American, out of copyright.