. . . . "Sources" . "Don Cossack Collection : Part XIII of the Russian Underground Collection" . . . . . . "154 works by Cossack emigres on many aspects of Cossack life (7 acquired recently). The heart of the collection focuses on the years 1929-1939, when the Cossacks still formed a distinctive emigre group in Europe, especially in Paris and Prague. Also histories of pre-revolutionary Russian Cossack life. A representative collection from the private libraries of Petr Popov, a Don Cossack cavalry general, and Sergeĭ Svatikov." . . . . . "History" .