The mysterious mother. A tragedy. By the Hon. Horace Walpole.
Walpole, Horace,1717-1797.
London,
1791.
A pirated edition.
ESTC
Hazen. Strawberry Hill 14
Also reproduced on microfilm. Woodbridge, CT: Research Publications, Inc., 1986. The Eighteenth Century ; reel 7400, no.12 )