Columbia subject headings:
Latvian language--Dictionaries--English.
Latvian language--Morphology.
Latvian language--Roots.
Harvard subject headings:
Latvian language--Dictionaries--English.
Latvian language--Morphology.
Latvian language--Roots.
Princeton subject headings:
Dictionaries.
Latvian language--Dictionaries--English.
Latvian language--Morphology--Dictionaries.
Latvian language--Word formation--Dictionaries.