Template:Cienkowski, 1881
- Cienkowski, L. (Ценковскiй, Л.) 1881. Отчетъ о бѣломорской экскурсiи 1880 г. [An account on the White Sea excursion in 1880]. Trudy S.-Peterburgskago Obshchestva Estestvoispytatelei 12(1): 130–171. Google Books Preprint, pp. 1-42: Google Books (Russian)