Coleridge, Samuel Taylor (1. januar 1893). «To Mary Pridham [afterwards Mrs. Derwent Coleridge]». The Complete Poetical Works of Samuel Taylor Coleridge: Including Poems and Versions of Poems now Published for the First Time, Vol. 1: Poems. Oxford University Press. s. 469–469. ISBN9780198728405. Besøkt 15. oktober 2018.