Columbia subject headings:
Harvard subject headings:
Prints as an investment.
Prints, American--20th century.
Prints, American--Marketing.
Prints--20th century
Prints--20th century--Marketing.
Prints--Marketing
Prints--Marketing.
Prints--Prices
Prints--United States--20th century--Marketing.
Princeton subject headings:
Prints as an investment.
Prints--20th century.