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Hamm, A. H. 1902. Formica exsecta in South Devon. Entomologist's Monthly Magazine 38:266.
Handlirsch, A. 1908. Die fossilen Insekten und die Phylogenie der rezenten Formen. Ein Handbuch für Paläontologen und Zoologen. Lieferung 8. Leipzig: Wilhelm Engelmann, 1430 pp.

Notes: This volume is a collection of all previous parts of Die Fossilen Insekten. It retains the same paginations as the preceding numbered Lieferung and duplicates their contents.

Hannan, M. A. 2003. Ants of Bangladesh. ANeT Newsletter 6:10-14.
Hannan, M. A. 2007. Ant records from Savar, Dhaka, Bangladesh. Asian Myrmecology 1:101-104. PDF
Hannan, M. A. 2008. New ant records for Bangladesh. Asian Myrmecology 2:95-98. PDF
Hansen, L. D.; Klotz, J. H. 2005. Carpenter ants of the United States and Canada. Ithaca, New York: Cornell University Press, xiii + 204 pp.
Hanson, P. E.; Gauld, I. D. (eds.) 1995. The Hymenoptera of Costa Rica. Oxford: Oxford University Press, xx + 893 pp.