Columbia subject headings:
Harvard subject headings:
Bilingual books--Lexicography--Congresses.
Bilingual books.
Bilingualism--Dictionaries--Congresses.
Language and languages--Study and teaching--Congresses
Lexicography--Congresses.
Lexicography.
Translating and interpreting--Congresses.
Princeton subject headings:
Bilingual books.
Lexicography.