- Art and technology--Exhibitions (1)
- J. Paul Getty Museum--Photograph collections--Exhibitions (1)
- Landscape photography--California--Yosemite Valley--Exhibitions (1)
- Optical instruments--History--Exhibitions (1)
- Photographers--West (U.S.)--Biography--Exhibitions (1)
- Visual perception--Exhibitions (1)
- Watkins, Carleton E., 1829-1916--Exhibitions (1)
- Yosemite Valley (Calif.)--Pictorial works--Exhibitions (1)