Columbia subject headings:
Retail trade--United States--States--Statistics.
Retail trade--United States--Statistics.
Service industries--United States--States--Statistics.
Service industries--United States--Statistics.
U.S. states--Commerce--Statistics.
United States--Commerce--Statistics.
Wholesale trade--United States--States--Statistics.
Wholesale trade--United States--Statistics.
Harvard subject headings:
Retail trade--United States
Retail trade--United States--States--Statistics.
Retail trade--United States--Statistics.
Service industries--United States--States--Statistics.
Service industries--United States--Statistics.
U.S. states--Commerce--Statistics.
United States--Commerce--Statistics.
Wholesale trade--United States
Wholesale trade--United States--States--Statistics.
Wholesale trade--United States--Statistics.
Princeton subject headings:
Retail trade--United States.
Wholesale trade--United States.