Nadezhdin, P. (1869). Природа и люди на Кавказѣ и за Кавказом (ภาษารัสเซีย). Saint Petersburg: V. Demakov Typography. p.230. Гёг-чайское озеро (синяя вода), по-армянски Севанга, есть самое значительное въ цѣломъ Закавказскомъ краѣ...
Lynch, H. F. B. (1896). "The Ascent of Mount Ararat". Scribner's Magazine. 19: 215. Ararat rises from the table-land of Armenia between the Black and Caspian Seas in the country comprised within a triangle between the lakes of Sevanga, Urumia, and Van.
Francis Rawdon Chesney (1850). The expedition for the survey of the rivers Euphrates and Tigris. London: Longman, Brown, Green, and Longmans. p.763. Ghokhcha, Gouktcha, or Sevanga, lake (in Armenia)
Baer, Karl M.; Lukina, Tatyana A. (1984). Каспийская экспедиция К.М. Бэра, 1853–1857 гг: дневники и материалы [Caspiran Encyclopedia of K. M. Baer, 1853–1857: Diary and Materials] (ภาษารัสเซีย). Leningrad: Nauka. p.532. Севанг (арм. сев-ванг – черный монастырь)
Ivanovsky, A. A. (1911). По Закавказью. археологические наблюдения и исследования 1893, 1894 и 1896 гг. [Through the Transcaucasia: archeological observations and studies in 1893, 1894, and 1896] (ภาษารัสเซีย). Moscow: Mamontov Typography. p.30.
Севан от урартск. суниа – "озеро" Pospelov, Evgeniy (1998). Географические названия мира [Geograficheskie Nazvaniia Mira] (Geographic names of the world) (ภาษารัสเซีย). Moscow. p.160. ISBN5-89216-029-7.
Murzayev, Ed. M. (1984). Словарь народных географических терминов (ภาษารัสเซีย). Mysl. p.112. Вне ряда Севан – озеро в Армении, имя которого восходит к урартскому гумна – " озеро".
"Geographic characteristic of the Republic of Armenia"(PDF). armstat.am. National Statistical Service of Republic of Armenia. Sevan is adornment of nature of the Republic of Armenia (the ancient name is Geghama sea).
Translated as "lake of Geḷam" by Robert W. Thomson, see Thomson, Robert W. (1980). Moses Khorenats'i History of the Armenians (2nded.). Harvard University Press. p.185.
Bryce, James (1878). Transcaucasia and Ararat: Being Notes of a Vacation Tour in Autumn of 1876 (3rded.). London: Macmillan and Co. p.168. ...the lake which the Russians call Goktcha (a corruption of the Tartar name, which means blue lake), and the natives Sevan, the Lychnitis of the ancients...
Toumanoff, Cyrille (1963). Studies in Christian Caucasian history. Georgetown University Press. p.33. ...Thospitis, Mantiane, and Lychnitis, or, as they are now called, Van, Urmia, and Sevan...
Sykes, Sir Percy (2013). A History Of Persia. Vol.2. Taylor & Francis. p.317. ISBN9781136525971. The Dispute about Gokcha and its Seizure by Russia, 1825. —The treaty of Gulistan had been so vaguely worded that three districts lying between Erivan and the Gokcha Lake, the most important of which was Gokcha, remained in dispute.
Woods, John E. (1999). The Aqquyunlu: Clan, Confederation, Empire. University of Utah Press. ISBN978-0-87480-565-9. ...Lake Gökçe (Sevan) in Armenia...
Lang, David Marshall (1980). Armenia, cradle of civilization. Boston: Allen & Unwin. p.28. ISBN9780049560093. Rather different is the character of Lake Sevan , known in Turkish as Gökche , or ' the Blue Lake '...
Schütz, E. (1998). Armeno-Turcica Selected Studies. Indiana University, Research Institute for Inner Asian Studies. p.273. ISBN9780933070431. but also on the Armenians of the Persian metropolis , Isfahan , the tümen of Nakhichevan , the Gökche Sec ( Lake - Sevan ...
Mill, James (1858). The history of British India: (In 10 vol.). Madden. p.152. It had gone farther , and had occupied a strip of land on the north - west of the Gokcha Lake belonging , by its own admission to Persia ...