1840—
Letter to William H. Channing
p171mentioned
“Its sad changes should be written out in Godwin's best manner: such are the themes he loved, as did also Rousseau.”
Fuller, Margaret. The Letters of Margaret Fuller. Edited by Robert N. Hudspeth. Vol. II. Ithaca: Cornell University Press, 1984.
Inferred Hudspeth footnote 4 identified The Adventures of Caleb Williams (1794) and St. Leon (1799) as his key novels.