McCook, H. C. 1877c. Mound-making ants of the Alleghenies, their architecture and habits. Transactions of the American Entomological Society 6:253-296. PDF
Bondroit, J. 1932b ("1931"). Notes sur les hyménoptères principalement les Sphégides des environs de Bruxelles. Annales de la Société Royale Zoologique de Belgique 62:31-44. PDF
Wehner, R.; Rabenstein, R.; Habersetzer, J. 2020 ("2019"). Long-leggedness in cataglyphoid Baltic amber ants. Palaeobiodiversity and Palaeoenvironments 100:79-93. [online early] 10.1007/s12549-019-00372-9 PDF
Mori, A. 1997. Origine ed evoluzione dello schiavismo nelle formiche. Contributi del Centro Linceo Interdisciplinare. "Beniamino Segre" 95:245-262.
Mackay, W.; Mackay, E. 2002. The ants of New Mexico (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 400 pp. PDF
Provancher, L. 1881b. Faune canadienne. (Continué de la page 333.). Naturaliste Canadien (Québec) 12:353-362. PDF
Wisniewski, J.; Sokolowski, A. 1983a. Stanowiska pseudogin Formica polyctena Först. (Hym., Formicidae) w Polsce. Prace Komisji Nauk Rolniczych i Komisji Nauk Lesnych 56:145-149.
Riemann, H. 1987a. Bienen, Wespen und Ameisen (Hymenoptera Aculeata) als Besiedler von Böschungen an tiefliegenden Entwässerungsgräben. Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen 40:333-346.
Leach, W. E. 1819. [Fam. IX. Formicadae. Leach.]. Pp. 272-273 in: Samouelle, G. 1819. The entomologist's useful compendium. London: Thomas Boys, 496 pp.

Notes: Publication date from Sherborn (1922:cxi).

Wheeler, W. M. 1905d. New species of Formica. Bulletin of the American Museum of Natural History 21:267-274. PDF
Forel, A. 1913j. Notes sur quelques Formica. Annales de la Société Entomologique de Belgique 57:360-361. PDF
Wheeler, W. M. 1909h. The ants of Isle Royale, Michigan. Pp. 325-328 in: Adams, C. C. (ed.) 1909. An ecological survey of Isle Royale, Lake Superior. Lansing, Michigan: Board of Geological Survey, iv + 468 pp. PDF
Motschoulsky, V. de 1866. Catalogue des insectes reçus du Japon. Bulletin de la Société Impériale des Naturalistes de Moscou 39:163-200. PDF

Notes: Formicidae p. 183.

Wheeler, W. M. 1914b. Formica exsecta in Japan. Psyche (Cambridge) 21:26-27. PDF

Notes: Stamp date in MCZ library: 1914.03.16.

Pamilo, P. 1982. Multiple mating in Formica ants. Hereditas (Lund) 97:37-45.
Menozzi, C. 1939b. Qualche nuova formica di Sumatra. Tijdschrift voor Entomologie 82:175-181. PDF
Krausse, A. H. 1911b. Formica-Arten auf Sardinien. Wiener Entomologische Zeitung 30:168.