W. H. Snowdon, Greenway Court, in: Some Old Historic Landmarks of Maryland and Virginia, described in A Handbook for the Tourist over the Washington, Alexandria and Mount Vernon Railway, 1904, p. 102
W. H. Snowdon, Greenway Court, in: Some Old Historic Landmarks of Maryland and Virginia, described in A Handbook for the Tourist over the Washington, Alexandria and Mount Vernon Railway, 1904, p. 102