Letter to unknown
p129“But I want more engravings, [Vitruvius,] Magna Grecia, the [Ionian] Antiquities &c.”
Fuller, Margaret. The Letters of Margaret Fuller. Edited by Robert N. Hudspeth. Vol. VI. Ithaca: Cornell University Press, 1988.
The most likely reference is William Wilkins's The Antiquities of Magna Graecia (1807), a large folio with 73 engraved plates of classical Greek temples in southern Italy, though an alternative attribution to Paoli's multi-volume Delle antichità della Magna Grecia is possible.