Columbia subject headings:
English language--Grammar, Comparative--Polish.
English language--Interrogative.
Polish language--Grammar, Comparative--English.
Polish language--Interrogative.
Speech acts (Linguistics)
Harvard subject headings:
English language--Grammar, Comparative--Polish
English language--Interrogative
Polish language--Grammar, Comparative--English.
Polish language--Interrogative.
Speech acts (Linguistics)
Princeton subject headings:
English language--Grammar, Comparative--Polish.
English language--Interrogative.
Polish language--Grammar, Comparative--English.
Polish language--Interrogative.
Speech acts (Linguistics)