National Archives photo; Model - T Ford: From the Collections of Henry Ford Museum & Greenfield Village; Great Depression: Dorothea Lange, FSA Collection, Library of Congress; Nicholas II and family: From the book Liberty’s Victorious Conflict; League of Nations building: U.S.
National Archives fotoattēls; Fords T: no Henry Ford Museum & Greenfield Village kolekcijas; pasaules ekonomiskā krīze: Dorothea Lange, FSA Collection, Library of Congress; Nikolajs II ar ģimeni: no grāmatas Liberty’s Victorious Conflict; Tautu Savienības ēka: U.S.