Brugger, R. J. (1988). Maryland, a middle temperament, 1634-1980 (Robert G. Merrick ed.). Baltimore, Md.: Johns Hopkins University Press in association with the Maryland Historical Society.

Brugger, Robert J. Maryland, a Middle Temperament, 1634-1980. Robert G. Merrick ed. Baltimore, Md.: Johns Hopkins University Press in association with the Maryland Historical Society, 1988.

Brugger, Robert J. Maryland, a Middle Temperament, 1634-1980. Robert G. Merrick ed. Baltimore, Md.: Johns Hopkins University Press in association with the Maryland Historical Society, 1988.