41. In 1849, he published his first book of poetry, " The Strayed Reveller ". 42. The O-Ball attracts many thousands of revellers , not all of whom are Adelaide University students. 43. At that time, less than 500 revellers attended and the festival was more like a private party. 44. 1821 saw the beginning of the rivalry between Reveller and the ten-year-old Doctor Syntax. 45. The procession ends in front of the Rathaus, which is symbolically stormed by the revellers afterwards. 46. The revellers , mostly youngsters, however, did not wait long after the stroke of midnight before dispersing. 47. "Is it constitutional to make revellers undergo mandatory urine tests for traces of drug abuse ?" 48. The group lives up to Harry's vision of emulating the harmonies of the American group The Revellers . 49. Previous occasions included December 2003, when almost half of the 150 revellers were found to be under 18. 50. Purnell studied at West Virginia State College from 1932 34, and played with the Campus Revellers while there.