"Fragments of a Poetics of Fire (A Retrospective Glance at the Lifework of a Master of Books)". Book by Gaston Bachelard edited by Suzanne Bachelard, 1988.
Samuel Taylor Coleridge (1849). “Notes and Lectures Upon Shakespeare and Some of the Old Poets and Dramatists: With Other Literary Remains of S. T. Coleridge”, p.131