Columbia subject headings:
English language--Grammar, Comparative--Russian.
Russian language--Grammar, Comparative--English.
Harvard subject headings:
English language--Grammar, Comparative--Russian
Russian language--Grammar, Comparative--English.
Princeton subject headings:
English language--Grammar, Comparative--Russian.
English language--Verb.
Grammar, Comparative and general--Transitivity.
Russian language--Grammar, Comparative--English.
Russian language--Verb.