Skopin

Sushitsky, Vladimir Afanasyevich (1900-1944). Skopin. Ryazan: State Printing House, 1921.

Рязанская ОУНБ

Ilyinsky, B. N.Skopinsky county in the past (before the 40th of the 19th century).Skopin: Typography City Council 1928.

НБ Кремля