Columbia subject headings:
Corporations--North Carolina--Periodicals.
Public utilities--North Carolina--Periodicals.
Railroads--North Carolina--Periodicals.
Harvard subject headings:
Corporations--North Carolina--Periodicals.
Public utilities--North Carolina--Periodicals.
Railroads--North Carolina--Periodicals.
Princeton subject headings:
Corporations--North Carolina--Periodicals.
Periodicals.
Public utilities--North Carolina--Periodicals.
Railroads--North Carolina--Periodicals.