Columbia subject headings:
Lavrentʹevskai︠a︡ letopisʹ.
Russian language--Lexicology.
Russian language--To 1300.
Harvard subject headings:
Lavrentʹevskai︠a︡ letopisʹ.
Russian language--Lexicology.
Russian language--To 1300.
Princeton subject headings:
Lavrentʹevskai︠a︡ letopisʹ.
Russian language--Lexicology.
Russian language--To 1300.