Alison Saunders: The Seventeenth-Century French Emblem. A Study in Diversity (= Travaux du grand siècle. Vol. 18). Droz, Genf 2000, ISBN 2-600-00452-1, S. 133, online in der Google-Buchsuche.
Leslie Gilbert Pine: A Dictionary of Mottoes. Routledge & Kegan Paul, London / Boston 1983, ISBN 0-7100-9339-X, S. 65, online in der Google-Buchsuche.