1. Siebold and Zuccarini's type specimens and original materials from Japan, part 4. Angiosperms. Dicotyledoneae 3;Akiyama S.;J. Jpn. Bot.,2014
2. Extract from the report on geodesic works and production of various departments of the Military Topographic Depot for 1852;Zapiski Voenno‐Topografičeskago Depo,1852
3. Extract from the report of the Minister of National Education for 1854;Žurnal Ministerstva Narodnago Prosveščenija,1855
4. Report on actions of the Siberian Department of the Imperial Russian Geographical Society for 1855;Vestnik Imperatorskago Russkago Geografičeskago Obščestva,1856