A collection of letters concerning the American fur trade. 21 Astor letters are addressed to Pliney Moore. Those written during the War of 1812 concern Astor's efforts to obtain his furs which remained in Canada at the outbreak of the war. There are seven letters of Henry Hardie, merchant, from Montreal and St. John's, to Pliney Moore. Three letters of Alexander Henry to Pliney Moore. Letters of Thomas Araguente, Z Bedient, William Howard, William Gilkison, Peter Sailly, Auguste N. l'Herbette.