Cambridge :206 Canada :73 California :53 Chicago :48 Cham :15 Cheltenham :13 Cheltenham, UK :11 Cambridge, UK :7 Chicago, usa :5 China :5 Cambridge, England :4 Colorado :3 Chichester, West Sussex, UK :3 Chichester :2 Carbondale :2 Chapel Hill :1 Cincinnati :South-Western,19871 Cincinnati :South-Western,19931 Cincinnati, Ohio :1 Cheltenham, USA :1