Columbia subject headings:
Frick Art & Historical Center--Exhibitions.
Milovanoff, Christian--Exhibitions.
Photography, Artistic--Exhibitions.
Photography--Pennsylvania--Pittsburgh--Exhibitions.
Harvard subject headings:
Frick Art & Historical Center--Exhibitions.
Milovanoff, Christian--Exhibitions.
Photography, Artistic--Exhibitions
Photography--Pennsylvania--Pittsburgh--Exhibitions.
Princeton subject headings:
Milovanoff, Christian--Exhibitions.
Photography, Artistic--Exhibitions.