Revenue and population. Return of the gross revenue of Ireland derived from taxation, and excluding casual and miscellaneous receipts, Post Office and telegraph receipts, crown lands, and fees in courts of justice taken in stamps, for the years 1841, 1851, 1861, and 1871, and of the population of Ireland in those years, and a computation of the amount of such revenue in respect to each head of the population; and, like return in respect to the revenue and population of Great Britain for the same years [electronic resource].