Columbia subject headings:
Boots--Trade and manufacture--United States.
Footwear industry--United States.
Footwear--Trade and manufacture--United States.
Leather industry and trade--United States.
Shoes--Trade and manufacture--United States.
Harvard subject headings:
Footwear industry--United States.
Footwear--Prices--United States.
Leather industry and trade--United States.
Leather--Prices--United States.
Shoe industry--United States.
Shoes--Prices--United States.
Princeton subject headings: