21.   She inhabited the rarefied world of an atypical, tightly-knit family within the surround of an elite society of progressive artists.

22.   Speaking in the reasonable tones of a doctor, Peter begins by conjuring up the rarefied world of the asylum.

23.   The announcement is causing excitement among the rarefied world of rare book collectors and scholars.

24.   The book will upset the opulent apple cart in the rarefied world of Faberge collectors.

25.   The company now boasts one of the biggest international profiles of any independent label in the rarefied world of classical recordings.

26.   The company boasts one of the biggest international profiles of any independent label in the rarefied world of classical recordings.

27.   The divisions extend into the rarefied world of art collection as well.

28.   The novel has caused dismay in the rarefied world of the geisha, where discretion is the tradition.

29.   The rarefied world of the oboe has it, and this camp is one of its great repositories.

30.   The rarefied worlds of metaphysics and morality have collided with molecular biology, and a debate once taking place in academic journals is being thrust into the public realm.