Ruzsky, M.; Gordyagin, A. 1894. Some data on the ant fauna of east Russia. [In Russian.]. Trudy Obshchestva Estestvoispytatelei pri Imperatorskom Kazanskom Universitete 27(2):1-33. PDF

Ruzsky, M. 1895. Faunistic investigations in east Russia 1. Contribution to the ant fauna of east Russia. 2. Zoological excursion in the Orenburg region in 1894. [In Russian.]. Trudy Obshchestva Estestvoispytatelei pri Imperatorskom Kazanskom Universitete 28(5):1-32. PDF

Ruzsky, M. 1905b. The ants of Russia. (Formicariae Imperii Rossici). Systematics, geography and data on the biology of Russian ants. Part I. [In Russian.]. Trudy Obshchestva Estestvoispytatelei pri Imperatorskom Kazanskom Universitete 38(4-6):1-800.

Ruzsky, M. 1907c. The ants of Russia. (Formicariae Imperii Rossici). Systematics, geography and data on the biology of Russian ants. Part II. [In Russian.]. Trudy Obshchestva Estestvoispytatelei pri Imperatorskom Kazanskom Universitete 40(4):1-122 + 3 pp.