In NUsearch, use the Subject Heading search: theaters stage setting; set designers; stage lighting
Books with substantial photographic content will contain the subject category "pictorial works". You could, for example, find photographs of Ireland with the Subject Heading search: Ireland pictorial works.
In the Periodicals Room (1st floor), Reference Collection there are 2 encyclopedic sets that outline American eras (early American civiliations through 1899) and decades (1900-2009).
AMERICAN ERAS. Detroit: Gale Research, 1997-
Ref 973.8 A512
AMERICAN DECADES. Detroit: Gale Research 1996-
Ref 973.92 A512
The Tate Collection's website includes a feature for searching their online collection of artwork by emotion.