Letters received by the Society 26 October 1773 - 19 December 1775.\nIndexed.
Letters received by the Society 26 April 1771 - 4 March 1778.\nIndexed.
This volume contains brief summaries of letters sent and received by the Society from 23 February 1850 - 17 December 1850.
This volume contains brief summaries of letters sent and received by the Society from 12 December 1850 - 28 May 1851.
Original letters sent and received by the Society from 23 May 1820 - 26 July 1843 have been attached to this volume.\nIndexed.
Letters sent and received by the Society from 1 October 1844-20 October 1853. Several original letters and papers have been attached to this volume.\nIndexed.
This volume contains brief summaries of letters sent and received by the Society from May 1851 - 25 November 1851.
Letters sent by the Society 12 January 1843-1 October 1844.\nIndexed.
These ledgers record letters sent and received by the Society. These volumes were produced by the secretary's office.