Columbia subject headings:
Harvard subject headings:
Italy--Pictorial works.
Marchi, Arturo, 1846-1928--Photograph collections.
Photograph collections--Italy--Reggio Emilia.
Photography--Italy--History.
Reggio Emilia (Diocese)--Photograph collections.
Princeton subject headings:
Marchi, Arturo, 1846-1954--Catalogs.
Portrait photography--Catalogs.