Columbia subject headings:
Authorship.
Bilingualism and literature.
Multilingualism and literature.
Sociolinguistics.
Harvard subject headings:
Authorship.
Bilingualism and literature.
Multilingualism and literature.
Sociolinguistics.
Princeton subject headings:
Authorship.
Bilingualism and literature.
Multilingualism and literature.
Sociolinguistics.