31.   His roots can be traced to the leather-helmet days of football at Alvarado High School, when his grandfather, Harold Renfro, played for the Indians.

32.   I refer to the Dow theory, which traces its roots to early last century.

33.   In New York most trace their roots from Puerto Rico or the Dominican Republic.

34.   In tracing the roots of empathy, researchers have considered a range of affiliative behaviors that may be the substrate on which full-bodied empathy is built.

35.   Many of these trace their roots, literally and figuratively, to ancient times.

36.   Lutherans, who owe their name to the Reformation leader Martin Luther, trace their roots to a more complicated historical scene.

37.   Most trace their roots, if not their birthplaces, to former French colonies in Africa and the West Indies.

38.   Nationally, the advisory committee traced the roots of the economic gap facing low-income students to several inter-related causes.

39.   New Rochelle, New Jersey-based and family-owned Mack Co. traces its roots back to the turn of the century.

40.   Ms. Dinnigan traces her roots a decade back to a silk and chiffon lingerie collection that was picked up by Saks Fifth Avenue.