A statement of the white, slave and free coloured population of Virginia, and of the federal population, as exhibited in the census of 1830 and 1840 [electronic resource] : also of the land and property tax, for the years 1830, 1840, and 1848 : also of the white titheables for 1830, 1840, and 1848, and of the black titheables for 1848 : arranged into counties and districts, and / prepared by the First Auditor in compliance with a resolution of the House of Delegates, adopted 24th October, 1850.