The Eesti Keele Instituut lists an alternate Nivkh Cyrillic alphabet from 1968,Eesti Keele Instituut, 2012. sourced from Vladimir Zinov’evich Panfilov’s chapter on the Nivkh language in volume 5 of Языки народов СССР (Languages of the peoples of the USSR) published that yearPanfilov, 1968. on the basis of his earlier grammatical work.Panfilov, 1962 & 1965.
Eesti Keele Instituut. (2012). Nivhi: Nivkh: Нивх (Ниғвӈ) Nivh (Niǧvŋ). Retrieved 20 September 2026 from arhiiv.eki.ee
Panfilov, V.Z. (1962). Грамматика нивхского языка. Grammatika nivxskogo jazyka [A Grammar of the Nivkh Language], vol. 1. Nauka.
Panfilov, V. Z. (1965). Грамматика нивхского языка. Grammatika nivxskogo jazyka [A Grammar of the Nivkh Language], vol 2. Nauka.
Panfilov, V. Z. (1968). Nivxskij jazyk [Nivkh language]. In V. V. Vinogradov (Ed.), Mongolskie, tunguso-man'chzhurskie i paleoaziatskie jazyki, pp. 408–434. Nauka.