แม่แบบ:R:ce:Uslar:1888

Uslar, Peter von (1888) Этнография Кавказа. Языкознание. II. Чеченский язык [Ethnography of the Caucasus. Linguistics. II. The Chechen language] (in รัสเซีย), Tiflis: Printing house of the Office of the Commander-in-Chief of the civil unit in the Caucasus