The life of the late Right Honourable Robert Earl of Orford. ... Including a brief history of his whole family. By William Musgrave, Esq;
Musgrave, William,Esq.
London : printed for E. Curll,
1745.
Apparently a reissue of the sheets of 'Memoirs of the family of Walpole' from the edition of 1732, with a new titlepage and the addition of a Postscript on pp.79-84.
ESTC
Also reproduced on microfilm. Woodbridge, CT: Research Publications, Inc., 1986. The Eighteenth Century ; reel 3552, no. 05.