The Canada directory : containing the names of the professional and business men of every description, in the cities, towns and principal villages of Canada : together with a complete post office directory of the province, a directory to public offices, officers and institutions, a variety of statistical and commercial tables, exhibiting the population, trade, revenue, expenditure, imports, exports, public works, etc., of Canada, and a variety of other useful information, brought down to November, 1851 / [compiled] by Robert W.S. Mackay.