Edmund Burke (1790). “Reflections on the Revolution in France: And on the Proceedings in Certain Societies in London Relative to that Event. In a Letter Intended to Have Been Sent to a Gentleman in Paris”, p.208
"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.