Columbia subject headings:
Harvard subject headings:
Arts, Baroque--History.
Baroque literature--History and criticism.
Machinery--History.
Stage machinery--History.
Technology and the arts--History.
Theaters--Stage-setting and scenery--History.
Princeton subject headings:
Arts, Baroque--History.
Baroque literature--History and criticism.
Machinery--History.
Stage machinery--History.
Technology and the arts--History.
Theaters--Stage-setting and scenery--History.