The present edition includes over 5,700 biographies of cadet corps pets from 1701-1918. The book is illustrated with portraits. Rich biographical material allows with a large degree of reliability to restore the true course of the historical process in Russia in the 18-20 centuries. Based on the available information, the researcher can identify the features of the development of a military career in the Russian Empire. In addition, the reference book is a handbook on the history of Russian civilization, since it contains biographical material from cultural, scientific, and educational figures.