Columbia subject headings:
Indo-European languages--Dictionaries.
Indo-European languages--Etymology--Dictionaries.
Indo-European languages--Etymology.
Indo-European languages--Glossaries, vocabularies, etc.
Indo-European languages--Semantics.
Indo-European languages--Synonyms and antonyms--Dictionaries.
Harvard subject headings:
Indo-European languages--Etymology--Dictionaries.
Indo-European languages--Synonyms and antonyms--Dictionaries.
Princeton subject headings:
Dictionaries.
Indo-European languages--Etymology--Dictionaries.
Indo-European languages--Synonyms and antonyms--Dictionaries.