Columbia subject headings:
French language--Grammar, Comparative--Russian.
French language--Verb.
Russian language--Grammar, Comparative--French.
Russian language--Verb.
Harvard subject headings:
French language--Grammar, Comparative--Russian.
French language--Verb.
Russian language--Grammar, Comparative--French.
Russian language--Verb.
Princeton subject headings:
French language--Aspect.
French language--Grammar, Comparative--Russian.
French language--Verb.
Russian language--Grammar, Comparative--French.
Russian language--Verb.