Columbia subject headings:
Harvard subject headings:
Japanese language--Glossaries, vocabularies, etc.
Japanese language--Grammar
Japanese language--Textbooks for foreign speakers--English
Japanese language--Usage--Dictionaries--English.
Princeton subject headings:
Dictionaries.
Japanese language--Dictionaries.
Japanese language--Textbooks for foreign speakers.
Japanese language--Usage--Dictionaries--English.
Japanese language--Usage--Grammar.