Columbia subject headings:
Business names--United States--Directories.
Trademarks--United States--Directories.
Harvard subject headings:
Brand name products--United States--Directories.
Business names--United States--Directories.
Business names--United States--Periodicals.
Corporations--United States--Directories
Patents.
Trademarks--United States--Directories.
Trademarks--United States--Periodicals
Princeton subject headings:
Business names--United States--Periodicals.
Periodicals.
Trademarks--United States--Periodicals.