Columbia subject headings:
Bosnian language--Verb.
Croatian language--Verb.
German language--Verb.
Grammar, Comparative and general--Verb.
Serbian language--Verb.
Harvard subject headings:
Bosnian language--Verb.
Croatian language--Verb.
German language--Verb.
Grammar, Comparative and general--Verb.
Serbian language--Verb.
Serbo-Croatian language--Verb.
Princeton subject headings:
Bosnian language--Verb.
Croatian language--Verb.
German language--Verb.
Grammar, Comparative and general--Verb.
Serbian language--Verb.