Columbia subject headings:
Harvard subject headings:
Boston Camera Mfg. Co.--Catalogs.
Camera industry--Catalogs.
Cameras--Catalogs.
Cameras--Massachusetts--Boston--Catalogs.
World's Columbian Exposition (1893 : Chicago, Ill.)--Pictorial works.
Princeton subject headings:
Cameras--Catalogs.
Medium format cameras--19th century.
Photography--Films--19th century.
World's Columbian Exposition (1893 : Chicago, Ill.)--Pictorial works.