Erich Bauer and Thomas Frankenbach, 1998 Schmetterlinge der Erde, Butterflies of the world Part I (1), Papilionidae Papilionidae I: Papilio, Subgenus Achillides, Bhutanitis, Teinopalpus.
In 1998, Erich Bauer and Thomas Frankenbach published "Schmetterlinge der Erde," Volume I, Part I, focusing on the Papilionidae family, specifically the subgenera of Papilio, Achillides, Bhutanitis, and Teinopalpus.