Guest, Grace D.; Ettinghausen, Richard (1961), «The Iconography of a Kāshān Luster Plate», Ars Orientalis4: 53, note 110, JSTOR4629133, «The passage in Qazwīnī dealing with these ideas is on p. 145 of Wüstenfeld's edition (where the names of the two animals are confused with each other and where also the Leviathan appears in a corrupt Arabic form form; see also tr. Ethé, p. 298».