C. T.  Brues, Melander, A. L., and Carpenter, R. M., ?Classification of Insects - Keys of living and extinct families of insects, and to the living families of other terrestrial arthropods?, Bulletin of the Museum of Comparative Zoology at Harvard College, vol. 108, pp. 305-538, 1954.

W.  Hennig, ?Flügelgeäder und Systematik der Dipteren, unter Berücksichtigung der aus dem Mesozoikum beschriebenen Formen?, Beiträge zur Entomologie, vol. 3(1953), S, pp. 1-85, 1954.

R. D.  Lee and Ryckman, R. E., ?Coleoptera and Diptera reared from owl nests?, Bulletin of the Brooklyn Entomological Society, vol. 49, pp. 23-24, 1954.

O.  Ringdahl, ?Diptera 1 (exclusive of Ceratopogonidae and Chironomidae)?, in The Zoology of Iceland, vol. 3, part 48, P.  Nielsen, Ringdahl, O., and Tuxen, S. L., Eds. Copenhagen: , 1954, p. 189 pp, 49 figs.