. "1920"^^ . "Kesenheimer, H. W. 1920. Parn. apollo Linn\u00E9, nov. subsp. sevensis Ksh. Entomologische Zeitschrift, 34(16): 63-64." . . . "Kesenheimer (1920)" . "Kesenheimer (1920)" . . . "1920"^^ .