Title: Letter on free trade and navigation of the St. Lawrence
Subtitle: addressed to the Earl of Elgin and Kincardine, governor-general of Her Majesty's North American possessions
Subjects: Free trade, Tariff, Temperance, Free trade and protection, Liquor traffic, Taxation, Navigation, Commerce, Impôts, Tempérance, Libre-échange, Libre-échange et protectionnisme, Tarif douanier, Alcool
Places: Canada, Saint Lawrence River