The Red Book of the Peoples of the Russian Empire
The Red Book of the Peoples of the Russian Empire (Estonian: Vene impeeriumi rahvaste punane raamat) is a book about the small nations of the Russian Empire, the Soviet Union, and Russia and some other post-Soviet states of today. It was written by Margus Kolga, Igor Tõnurist, Lembit Vaba, and Jüri Viikberg.
Source: Wikipedia — The Red Book of the Peoples of the Russian Empire (CC BY-SA 4.0)