Related Clues:
- Op or pop
- Columnist Buchwald
- Emerson's ''jealous mistress''
- Work in oil
- Matisse's mastery
- High school course
- Focus of some exhibits
- Guggenheim display
- Curator's concern
- Piece by Matisse
- Tony-winning play of 1998
- Lichtenstein's forte
- Collector's collection, perhaps
- '... but is it ___?'
- Serious hang-ups?