11.   All of the books containing material related to the theses in the present study are such compilations.

12.   It is also true that very few research theses contain material which radically alters the world of knowledge.

13.   Even at the primary stage, it has been shown that children can often grasp that a country house contains material that has accumulated over a long period.

14.   It is believed that an envelope containing explosive material was delivered to the Scottish Office in the morning.

15.   Archie Comics recently backed down, saying the company will take no legal action unless the Web site contains offensive material.

16.   Any show about Freud, but especially one containing his materials, glorifies him because this is in the nature of monographic exhibitions.

17.   As students turned in their reports, Pelton said, she found that some of them contained identical material.

18.   At the airport, a car containing suspicious material was impounded, authorities said.

19.   Atlantic recently issued a two-LP Jewel set containing material not on her hit CD.

20.   According to the lawyer, this raises the issue of whether Salem destroyed some of his private tapes because they contained material that could exonerate the defendants.