History of the Russian 21st Jager Regiment 1805-1814
By Lieutenant Colonel V. I. Godunov, 1905.
Translated into English from the original Russian and edited by Peter G. A. Phillips.
This is a comprehensive study of this regiment from its formation through the war of 1806-1807; the war against Sweden in 1808; The Patriotic War of 1812; the War of 1813; the War of 1814; regimental details.