Campbell, S. W. (1970). The slave catchers: Enforcement of the Fugitive slave law, 1850-1860. University of North Carolina Press.
Dyfyniad Arddull ChicagoCampbell, Stanley W. The Slave Catchers: Enforcement of the Fugitive Slave Law, 1850-1860. Chapel Hill: University of North Carolina Press, 1970.
Dyfyniad MLACampbell, Stanley W. The Slave Catchers: Enforcement of the Fugitive Slave Law, 1850-1860. University of North Carolina Press, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.