Columbia subject headings:
German language--Grammar, Comparative--Russian.
German language--Modality.
German language--Verb.
Russian language--Grammar, Comparative--German.
Russian language--Modality.
Russian language--Verb.
Harvard subject headings:
German language--Grammar, Comparative--Russian.
German language--Modality.
German language--Translating into Russian
German language--Verb.
Russian language--Grammar, Comparative--German.
Russian language--Modality.
Russian language--Verb.
Princeton subject headings:
German language--Grammar, Comparative--Russian.
German language--Modality.
German language--Verb.
Russian language--Grammar, Comparative--German.
Russian language--Modality.
Russian language--Verb.