Columbia subject headings:
Africa--Study and teaching--United States--Directories.
African Americans--Study and teaching--Directories.
Black people--Africa--Study and teaching--United States--Directories.
Harvard subject headings:
Africa--Study and teaching--United States--Directories.
African Americans--Study and teaching--United States--Directories.
Black people--Africa--Study and teaching--United States--Directories.
Directories
Princeton subject headings:
Africa--Study and teaching--United States--Directories.
African Americans--Study and teaching--United States--Directories.
Black people--Africa--Study and teaching--United States--Directories.