Columbia subject headings:
Africa, North--Pictorial works--Catalogs.
Middle East--Pictorial works--Catalogs.
Photograph collections--Great Britain--Directories.
Harvard subject headings:
Middle East--Pictorial works--Catalogs.
Photograph collections--Great Britain--Catalogs.
Slides (Photography)--Catalogs
Princeton subject headings:
Audio-visual archives--Great Britain--Directories.
Middle East--Description and travel--Views.
Photograph collections--Great Britain--Directories.