Columbia subject headings:
Instant photography.
Inventors--United States--Biography.
Land, Edwin H., 1909-1991.
Polaroid Corporation.
Polaroid Land camera--History.
Harvard subject headings:
Eastman Kodak Company--Trials, litigation, etc.
Instant photography.
Inventors--United States--Biography
Land, Edwin H., 1909-1991.
Patent infringement--United States.
Polaroid Corporation--Trials, litigation, etc.
Polaroid Corporation.
Polaroid Land camera--History.
Princeton subject headings: