Columbia subject headings:
Harvard subject headings:
Stereoscope industry--United States--History.
Stereoscopic views--United States--Catalogs.
Thomas Houseworth & Co.--History.
West (U.S.)--In art.
Princeton subject headings:
Houseworth, Thomas, 1829-1915.
Lawrence & Houseworth.
Opticians--California--San Francisco.
Photography, Stereoscopic.
Thomas Houseworth & Co.