Ridgely, H. W. (1908). Historic graves of Maryland and the District of Columbia: With the inscriptions appearing on the tombstones in most of the counties of the state and in Washington and Georgetown. New York: Grafton Press.

Ridgely, Helen W. Historic Graves of Maryland and the District of Columbia: With the Inscriptions Appearing On the Tombstones in Most of the Counties of the State and in Washington and Georgetown. New York: Grafton Press, 1908.

Ridgely, Helen W. Historic Graves of Maryland and the District of Columbia: With the Inscriptions Appearing On the Tombstones in Most of the Counties of the State and in Washington and Georgetown. New York: Grafton Press, 1908.