Columbia subject headings:
Daguerreotype--Exhibitions.
Exhibition catalogs.
Horblit, Harrison D.--Photograph collections--Exhibitions.
Houghton Library--Exhibitions.
Photograph collections--Massachusetts--Cambridge--Exhibitions.
Photography--History--19th century--Exhibitions.
Harvard subject headings:
Daguerreotype--Exhibitions.
Horblit, Harrison D.--Photograph collections--Exhibitions.
Houghton Library--Exhibitions.
Photograph collections--Massachusetts--Cambridge--Exhibitions.
Photography--History--19th century--Exhibitions.
Princeton subject headings: