Columbia subject headings:
Harvard subject headings:
ALLTEL Corporation--History.
Telecommunication equipment industry--United States--History.
Telecommunication--United States--History.
Telephone companies--United States--History.
Telephone supplies industry--United States--History.
Princeton subject headings:
ALLTEL Corporation--History.
Telecommunication equipment industry--United States--History.
Telecommunication--United States--History.
Telephone companies--United States--History.
Telephone supplies industry--United States--History.