This letter is a manuscript copy of the original, and is apparently not written in Phillis's hand. Phillis Wheatley writes to William Legge, the 2
nd earl of Dartmouth, on 10 October 1772, sending a poem with her best wishes; the poem is not included with this letter. The accompanying poem is the one which appears in her book,
Poems on Various Subjects, titled "To the Right Honorable William, Earl of Dartmouth, His majesty's Principal Secretary of State for North America, &c."
(
See the online presentation of the published version of the poem.)
Phillis was introduced to Lord Dartmouth on her visit to England in 1773.