Bibliography of butterflies

D'Almeida, Romualdo Ferreira, and José Oiticica, Filho

1946. An Opinion, placed before the International Commission on Zoological Nomenclature, on the status of trinominal combinations by Hübner. Agronomia (Niterói) 4(3): 25-27 ("July-September 1945", 12 January 1946)

1951. The International Commission on Zoological Nomenclature and the name of the Monarch butterfly. Science 113(2947): 728-729 (22 June) [general]

Dalrymple, Marcus, and Carlos F. Gottfried

1995. Migration of the masses. Geographical Magazine (London) 67(3): 36-38, figs. (March) [Danaus plexippus (Linnaeus); Mexico]