Columbia subject headings:
Burkina Faso--Languages.
Ghana--Languages.
Language policy--Burkina Faso--History.
Language policy--Ghana--History.
Language policy--Togo--History.
Togo--Languages.
Harvard subject headings:
Burkina Faso--Languages.
Ghana--Languages.
Language policy--Burkina Faso--History.
Language policy--Ghana--History.
Language policy--Togo--History.
Togo--Languages
Princeton subject headings:
Burkina Faso--Languages.
Ghana--Languages.
Language policy--Burkina Faso--History.
Language policy--Ghana--History.
Language policy--Togo--History.
Togo--Languages.