Peel 220 : Lefroy, John Henry (Sir) (1817-1890) [détails]. On the probable number of the native Indian population of British America: From the proceedings of the Canadian Institute. Toronto : Printed by Hugh Scobie, 1853?. .
Peel 220 : Lefroy, John Henry (Sir) (1817-1890) [détails]. On the probable number of the native Indian population of British America: From the proceedings of the Canadian Institute. Toronto : Printed by Hugh Scobie, 1853?. .