In 1773, at the age of 20, Phillis accompanied Nathaniel Wheatley to London in part for her health, but also because Susanna believed she would have a better chance publishing her book of poems there [REF].
In 1773, sometime between July and October, Wheatley was emancipated by the Wheatley family shortly after her book, Poems on Subjects Religious and Moral, was published in London.