21.   During the last several auction seasons, private collectors, known in the art world as privates, have overwhelmingly dominated the sales, far outbidding dealers.

22.   Experts said that the market for such items was among auction houses that attracted private collectors as well as museums.

23.   Exchanges were arranged not with other private collectors, but with foreign governments.

24.   Fossils have become big business among private collectors.

25.   Hornsby said the piece received a lot of attention from museums and private collectors in Paris last week.

26.   In addition to courting private collectors, Burgard said he wants to involve the San Francisco community in expanding the permanent collection.

27.   In addition to privacy concerns, Ms. Richardson contends that the use of private collectors could further undermine public perceptions of the fairness of federal tax administration.

28.   In an unusual move, these officials and their supporters have appealed directly to the public for donations so that they can compete against private collectors at the auction.

29.   It is art if it is called art, written about in an art magazine, exhibited in a museum or bought by a private collector.

30.   It comes from an unnamed private French collector.