Ocherki sotsialʹno-ėkonomicheskoĭ i politicheskoĭ istorii Novgoroda Velikogo v XII-XIII vv. /
Podvigina, Natalii︠a︡ Lʹvovna.
I︠A︡nin, V. L.(Valentin Lavrentʹevich)
Moskva : Vysshai︠a︡ Shkola,
1976.