Columbia subject headings:
Rutul language--Dialectology.
Harvard subject headings:
Rutul language--Dialectology.
Rutul language--Dialects--Lexicology.
Rutul language--Dialects--Morphology.
Rutul language--Dialects--Phonetics.
Princeton subject headings:
Rutul language--Dialectology.
Rutul language--Dialects--Lexicology.
Rutul language--Dialects--Morphology.
Rutul language--Dialects--Phonetics.