Kettel lived and wrote when?
Book published in 1858. It’s an extended triumphalist apologia for the South. Lots of interesting statistics, though.
http://books.google.com/books?id=BHMFAAAAQAAJ&printsec=frontcover&dq=southern+wealth+and+northern+profits&hl=en&sa=X&ei=GvdtUdT3AoPM9ATNxYGoCw&ved=0CDcQ6AEwAQ#v=onepage&q=southern%20wealth%20and%20northern%20profits&f=false