Observations on the causes of the dissoluteness which reigns among the lower classes of the people : the propensity of some to petty larceny : and the danger of gaming, concubinage, and an excessive fondness for amusement in high life, &c. : also an account of the humanity and policy of the Marine Society ... with a proposal for new regulating of Bridewell ... in three letters to a governor of Bridewell, Bethlem, Christ-Church, &c. /