Columbia subject headings:
Herzog, Peter, 1948---Photograph collections--Exhibitions.
Herzog, Ruth--Photograph collections--Exhibitions.
Photograph collections--Switzerland--Basel--Exhibitions.
Photography--Switzerland--19th century--Exhibitions.
Photography--Switzerland--Exhibitions.
Portrait photography--Switzerland--Exhibitions.
Switzerland--Pictorial works--Exhibitions.
Harvard subject headings:
Herzog, Peter--Photograph collections--Exhibitions.
Herzog, Ruth--Photograph collections--Exhibitions.
Photograph collections--Switzerland--Exhibitions.
Photography--Switzerland--History--19th century--Exhibitions.
Portrait photography--Switzerland--History--19th century--Exhibitions.
Switzerland--Pictorial works--Exhibitions.
Princeton subject headings:
Herzog, Peter, 1948---Photograph collections--Exhibitions.
Herzog, Ruth--Photograph collections--Exhibitions.
Photographs--Private collections--Switzerland--Exhibitions.
Photography--19th century--Switzerland--Exhibitions.
Photography--Switzerland--Exhibitions.
Portrait photography--Switzerland--Exhibitions.