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