Duprez, Gilbert. Le jugement dernier, between 1865 and 1868 title page (A. Jannin)
Bibliothè€que nationale de France, via VIAF, viewed June 25, 2019 (Jannin, A.; 19th cen.; male; illustrator particularly known for musical score covers, active in the 1870s) http://www.viaf.org/processed/BNF%7C14764144