Columbia subject headings:
Harvard subject headings:
Iranian languages--Pamir--Phonology, Comparative.
Iranian languages--Phonology, Comparative--Pamir.
Pamir languages--Phonology, Comparative--Iranian.
Pamir languages--Phonology, Historical.
Princeton subject headings:
Iranian languages--Phonology, Comparative--Pamir.
Pamir languages--Phonology, Comparative--Iranian.
Pamir languages--Phonology, Historical.