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