Richardson, R. W. (1991). Historic districts of America: Delaware, District of Columbia, Maryland, New Jersey, New York, Pennsylvania, West Virginia. Bowie, MD: Heritage Books.
Chicago Style CitationRichardson, Ralph W. Historic Districts of America: Delaware, District of Columbia, Maryland, New Jersey, New York, Pennsylvania, West Virginia. Bowie, MD: Heritage Books, 1991.
MLA CitationRichardson, Ralph W. Historic Districts of America: Delaware, District of Columbia, Maryland, New Jersey, New York, Pennsylvania, West Virginia. Bowie, MD: Heritage Books, 1991.