| Description | Letter from J Aikin, Warrington, to Haygarth, enclosing enumeration of population of Warrington and its vicinity, 9 May 1781; letter from George Lowe to Haygarth, commenting on Dr Price's book, and the use of tax commissioners' returns for calculating the populations of various towns, including Chester, 11 May 1781; note of increase in familes in Manchester, Liverpool and Warrington, 1717-1777 |