Columbia subject headings:
Sociolinguistics--Turkey.
Turkish language--20th century.
Turkish language--Errors of usage.
Turkish language--Grammar.
Harvard subject headings:
Sociolinguistics--Turkey.
Turkish language--20th century.
Turkish language--Errors of usage.
Turkish language--Grammar
Princeton subject headings:
Sociolinguistics--Turkey.
Turkish language--20th century.
Turkish language--Errors of usage.
Turkish language--Grammar.