Oppenheimer references quotations from two of Donne's poems, the first from Donne's "Hymne to God My God, in My Sicknesse", and the second "Sonnet XIV" from Holy Sonnets—both of which can be found in Donne, John, and Chambers E. K. (editor). Poems of John Donne]. Volume I. (London: Lawrence & Bullen, 1896), 165, 211–212.