See the bibliography for more details on Charles Booth.
The Proceedings of the Old Bailey contain details of the Cass case of 1887, in which one of the police constables involved in the matter ended up being charged with perjury: http://www.oldbaileyonline.org/browse.jsp?id=t18871024-1058&div=t18871024-1058.
Parliamentary debates can be found on-line at http://hansard.millbanksystems.com/. In particular, the report of the parliamentary debate about the need to reform the law on street betting can be found at http://hansard.millbanksystems.com/lords/1956/feb/08/royal-commission-on-betting.
A useful case study of a 'ticket-of-leave' man, Thomas Fuller Bacon, can be found at http://www.netcomuk.co.uk/~dscholes/6019.html.