* Rockman, Seth. ''Scraping By: Wage Labor, Slavery, and Survival in Early Baltimore'' (2009), 368 pp. social history [http://www.h-net.org/reviews/showpdf.php?id=24171 online review] | * Rockman, Seth. ''Scraping By: Wage Labor, Slavery, and Survival in Early Baltimore'' (2009), 368 pp. social history [http://www.h-net.org/reviews/showpdf.php?id=24171 online review] |