Citations: Anonym 1901: [Constant, A.] The Entomologist's Record and Journal of Variation, London 12, B15 10005, pp. 218
Delmas, S. 2019: Contribution à l'étude du taxon Scythris rouxella (Constant, 1865), stat. nov., nomen dubium (Lepidoptera Scythrididae). Alexanor : Revue française de Lépidoptérologie ISSN: 0002-5208, Paris 28 (7-8), S. 647-656, 11 480, pp. Portr.
Fowler, W. W. 1901: [Constant, A.] (The) Proceedings of the Entomological Society of London for the Year ..., 1901, B15 10001, pp. XXXV
Gilbert, P. 2007: A Source Book for Biographical Literature on Entomologists Leiden, Backhuys Publishers, 694 S., A 2972, pp. 116
Jovanovic-Kruspel, S.; Gaal-Haszler, S.; Bruckner, H.; Lödl, M. 2015: Die historische Portaitsammlung der Lepidoptera-Sammlung im Naturhistorischen Museum Wien - Vom Standesportait bis zum "Entomologen-Selfie" des 19. Jahrhunderts. Quadrifina: Bulletin zur Erforschung der Lepidopteren, Wien 12, S. 37-238, B15:12291, pp. 62
Lafaury, C. 1901: [Constant, A.] Annales de la Société Entomologique de France , Paris 70, B15 10008, pp. 8-17, Portr.
Mac Lachlan, R. 1901: [Constant, A.] The Entomologist's Monthly Magazine, Third Series, London 37, B15 10006, pp. 173-174
Walker, J. C. 1901: [Constant, A.] The Entomologist, Dorking 34, B15 10035, pp. 212