LWL 49 1608 90:8: "By Th. Hervey": Horace Walpole's note on title-page.
LWL 49 1608 90:8: Horace Walpole's title: Letter to Mr Pitt.
BEIN College Pamphlets 934 7: From the library of William Whitman Farnam.
BEIN College Pamphlets 999 6: From the library of William Whitman Farnam.