Rescripts and Letters of the Emperor

Nicholas I (Emperor of Russia, 1796-1855). Relations of the Emperor Nikolai Pavlovich to Sevastopol. [St. Petersburg, 1873].

РГБ

Nicholas I (Emperor of Russia, 1796-1855). Rescripts and letters of Emperor Nicholas I to Prince Menshikov during the Sevastopol Defense. St. Petersburg: Typography "Thrift", 1908.

ГПИБ