Istorii︠a︡ Pervogo Izdanii︠a︡ "Slova o Polku Igoreve". Materialy i issledovanie /
Academy of Sciences of the Union of Soviet Socialist Republics (Moscow). - Institute of Russian Literature (Pushkin House)
Dmitriev, L. A.
Likhachev, Dmitriĭ Sergeevich.
Moskva,
1960.