lower left in plate: OSTENDE; lower right in plate: ENSOR / 1889; lower right in graphite: James Ensor; by later hand, upper right verso: [not deciphered] 7 1/2 x 5 7/8 / 5 1/2 x 3 7/8; by later hand, lower left verso in graphite: Boulevard à Ostende; by later hand, lower right verso in graphite: #30 / 1660y
- Delteil, Loys. Le peintre-graveur illustre. 31 vols. Paris: Published by the author, 1906-1926. Reprint. New York: Collectors Editions, Da Capo Press, 1969. Vol. 30 (Albert Besnard) is by Louis Godefroy.
- Taevernier, Auguste. James Ensor, catalogue illustré de ses gravures. Sabam, 1999 (reprint of 1973 edition).