Butterflies of the genus Vanessa and of the resurrected genera Bassaris and Cynthia (Lepidoptera: Nymphalidae)Smithsonian Institution Press; for sale by the Supt. of Docs., U.S. Govt. Print. Off.105
Field, William Dewitt. 1971. Butterflies of the genus Vanessa and of the resurrected genera Bassaris and Cynthia (Lepidoptera: Nymphalidae). Washington: Smithsonian Institution Press; for sale by the Supt. of Docs., U.S. Govt. Print. Off.. In Smithsonian Contributions to Zoology, 84.