V. V. Boguslavskiĭ

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Drevni͡ai͡a Rusʹ, Ri͡urikovichi

2009

Ri︠u︡rikovichi i Rusʹ

Ri︠u︡rikovichi i Rusʹ

2009

Slavi︠a︡nskai︠a︡ ėnt︠s︡iklopedii︠a︡

2001

Rusʹ, Ri︠u︡rikovichi

Rusʹ, Ri︠u︡rikovichi

2000