Columbia subject headings:
Harvard subject headings:
Causative (Linguistics)
Corpora (Linguistics)
Grammar, Comparative and general--Grammaticalization
Grammar, Comparative and general--Infinitive.
Slavic languages--Grammar, Comparative.
Princeton subject headings:
Contrastive linguistics.
Czech language--Grammaticalization.
Polish language--Grammaticalization.
Russian language--Grammaticalization.