Description: English: William Lucas Distant Rhopalocera Malayana: A description of the butterflies of the Malay Peninsula (1882-1886) Plate 30 Tab XXX Fig. 1,2 Papilio iswara = Papilio iswara White, 1842 3,4,5 Papilio nephelus var saturnus = Papilio nephelus sunatus Corbet, 1940. Date: 1886. Source:
https://archive.org/stream/rhopaloceramalay00dist#page/n526/mode/1up. Author: William Distant.