Columbia subject headings:
Persian language--Glossaries, vocabularies, etc.
Persian language--Grammar, Comparative--Tajik.
Tajik language--Glossaries, vocabularies, etc.
Tajik language--Grammar, Comparative--Persian.
Harvard subject headings:
Persian language--Glossaries, vocabularies, etc.
Persian language--Grammar, Comparative--Tajik.
Tajik language--Glossaries, vocabularies, etc.
Tajik language--Grammar, Comparative--Persian.
Princeton subject headings:
Persian language--Glossaries, vocabularies, etc.
Persian language--Grammar, Comparative--Tajik.
Tajik language--Glossaries, vocabularies, etc.
Tajik language--Grammar, Comparative--Persian.