Columbia subject headings:
Emerson, P. H. (Peter Henry), 1856-1936--Exhibitions.
Photography, Artistic.
Photography--Great Britain--History--19th century.
Robinson, H. P. (Henry Peach), 1830-1901--Exhibitions.
Harvard subject headings:
Emerson, P. H. (Peter Henry), 1856-1936--Exhibitions.
Photography, Artistic--Exhibitions
Photography--Great Britain--History--19th century--Exhibitions.
Robinson, H. P. (Henry Peach), 1830-1901--Exhibitions.
Princeton subject headings:
Emerson, P. H. (Peter Henry), 1856-1936--Exhibitions.
Photography, Artistic--Exhibitions.
Photography--Great Britain--History--19th century--Exhibitions.
Robinson, H. P. (Henry Peach), 1830-1901--Exhibitions.