Nikolaǐ Nikolaevich Filippov

• Ocherk tysi︠a︡cheli︠e︡tneĭ borʹby baltīĭskago-polabskago slavi︠a︡nstva s ni︠e︡mt︠s︡ami do vozrozhdenīi︠a︡ serbo-luzhit︠s︡kago plemeni, IX vi︠e︡k-1848 g.