Letter to Susan Prescott
p154“I am studying Madame de Stael, Epictetus, Milton, Racine, and Castilian ballads, with great delight.”
Fuller, Margaret. The Letters of Margaret Fuller. Edited by Robert N. Hudspeth. Vol. I. Ithaca: Cornell University Press, 1983.
Inferred Fuller names Racine as one of her current studies in May 1826, though she does not specify which play.