Brown, W. L., Jr. 1955c. The identity of the British Strongylognathus (Hymenoptera: Formicidae). Journal of the Society for British Entomology 5:113-114. PDF

Yarrow, I. H. H. 1955b. The British Strongylognathus (Hym., Formicidae). Journal of the Society for British Entomology 5:114-115.

Collingwood, C. A. 1956c. Aberrations in British ants of the genus Formica. Journal of the Society for British Entomology 5:193-196. PDF

Collingwood, C. A.; Satchell, J. E. 1956. The ants of the South Lake District. Journal of the Society for British Entomology 5:159-164. PDF

Collingwood, C. A. 1957c. The species of ants of the genus Lasius in Britain. Journal of the Society for British Entomology 5:204-214. PDF