Kessler, K. (1868). Materialy dlya poznaniya Onezhskago ozera i Obonezhskago kraia preimushestvenno v zoologicheskom otnoshenii. Beiträge zur Kenntnis des Onega Sees mit Umgegend, insbesondere in zoologischer Beziehung. [Contributions to the knowledge of Lake Onega and its surroundings, particularly in zoological terms.]. Prilozhenie k Trudam pervago svezda Russkikh Estestvoispytatelei, Sanktpeterburg (Supplement to works of the first congress of Russian Naturalists in St. Petersburgh). 1-143, pls. 1-8, 1 map.
Materialy dlya poznaniya Onezhskago ozera i Obonezhskago kraia preimushestvenno v zoologicheskom otnoshenii. Beiträge zur Kenntnis des Onega Sees mit Umgegend, insbesondere in zoologischer Beziehung. [Contributions to the knowledge of Lake Onega and its surroundings, particularly in zoological terms.]
Prilozhenie k Trudam pervago svezda Russkikh Estestvoispytatelei, Sanktpeterburg (Supplement to works of the first congress of Russian Naturalists in St. Petersburgh)
