Boldyrev V. G., Lieutenant Colonel of the General Staff. Siege and capture of Riga by Russian troops in 1709-1710 In Russian (ask us if in doubt)/Boldyrev V. G.,Generalnogo Shtaba podpolkovnik. Osada i vzyatie Rigi russkimi voyskami v 1709-1710 gg. K 200-letnemu yubileyu. Riga. Edition of the Riga City Public Administration. 1910. 102 p., maps. 22,5x16 cm,. SKUalb9d2ada31d150561e.