Popov, V. 1933. Two new fossil ants from Caucasus (Hymenoptera, Formicidae). Trudy Paleozoologicheskogo Instituta. Akademiya Nauk SSSR 2:17-21. PDF

Notes: Date signed for printing ("podpisano k pechati").

Poulton, E. B. 1933. The gentle Driver ant "Baongo", discovered by Miss Vinall at Bongandanga, Belgian Congo. Proceedings of the Entomological Society of London 7:58. PDF

Notes: See also Santschi, 1933c.

Prance, G. T.; Lovejoy, T. E. (eds.) 1985. Key environments. Amazonia. Oxford: Pergamon Press, xiv + 442 pp.
Pressick, M. L.; Herbst, E. 1973. Distribution of ants on St. John, Virgin Islands. Caribbean Journal of Science 13:187-197.
Preuss, G. 1956. Zum Vorkommen bemerkenswerter Ameisen in Schleswig-Holstein. Faunistische Mitteilungen aus Norddeutschland 1(7):9-12.