Columbia subject headings:
German language--Grammar, Comparative--Slavic.
Slavic languages--Grammar, Comparative--German.
Slavic languages--Grammar, Comparative.
Harvard subject headings:
German language--Grammar, Comparative--Slavic.
Slavic languages--Grammar, Comparative--German.
Slavic languages--Grammar, Comparative.
Princeton subject headings:
German language--Grammar, Comparative--Russian.
Polish language--Grammar, Comparative--Russian.
Russian language--Grammar, Comparative--German.
Russian language--Grammar, Comparative--Polish.