1. The Letters of Emily Dickinson, ed. Thomas H. Johnson and Theodora ward, 3 Vols.,(Cambridge, Massachussetts: The Belknap Press of Harvard University Press, 1958)
2. The Complete Poems of Emily Dickinson, ed. Thomas H. Johnson, 3 Vols.,(Cambridge, Massachussetts: The Belknap Press of Harvard University Press, 1955)
3. P.B Shelley, Adonais, LII.
4. David T. Porter, The Art of Emily Dickinson’s Early Poetry (Cambridge, Mass: Harvard University Press, 1966.)