Columbia subject headings:
Cities and towns--Madagascar.
Dialectology.
Language and languages--Variation.
Languages in contact--Madagascar.
Linguistic change--Madagascar.
Malagasy language--Dialects.
Sociolinguistics--Madagascar.
Speech and social status--Madagascar.
Urban dialects--Madagascar.
Harvard subject headings:
Malagasy language--Dialects.
Sociolinguistics--Madagascar.
Princeton subject headings: