Embracing a View of Their Commerce, Agriculture, Manufactures, Internal Improvements, Slave and Free Labor, Slavery Institutions, Products, Etc., of the South, Together with Historical and Statistical Sketches of the Different States and Cities of the Union--statistics of the United States Commerce and Manufactures, from the Earliest Periods, Compared with Other Leading Powers--the Results of the Different Census Returns Since 1790, and Returns of the Census of 1850, on Population, Agriculture and General Industry, Etc., with an Appendix