About the ancient history of the northern Slavs until the time of Rurik, and from where came Rurik and his Varangians. Category: Sankt Petersburg. Ch. staff for military-training. institutions, 1858.
Vyshgorodsky, A.Kratkoe legend about the Slavs (especially about the Bulgarians), ie, about their origin, customs, beliefs, etc., and about oppression from the Turks. Ryazan: printing house of the successors ZP Poznyakova, 1878.
All-Russian Congress of Historians-Regionologists (1, St. Petersburg, 2007).
Proceedings of the First All-Russian Congress of Historians-Regionologists (St. Petersburg, October 11 - 13, 2007). T. 1. St. Petersburg: The Presidential Library. B.N. Yeltsin, 2010. 2010.
Hilferding, Alexander Fedorovich (1831-1872). The struggle of the Slavs with the Germans in the Baltic Pomorze in the Middle Ages. Sankt-Petersburg: [In the printing house there are 2 departments of the Own EI V. Chancellery], 1861.