Collection arranged as follows:

C DSPH/1 Minutes, 1881-1995

C DSPH/2 Reports, 1963-2003

C DSPH/3 Correspondence, 1908-2010

C DSPH/4 Photographs, 1949-2010

C DSPH/5 Programmes, 1882-2012

C DSPH/6 Members Lists, c.1881-1963

C DSPH/7 Publicity Material, 1935-2011

C DSPH/8 Ephemera, 1850-1999

C DSPH/9 Library, 1936-2008

C DSPH/10 Press Cuttings, 1884-2010

C DSPH/11 Members' Papers, 1908-2011

C DSPH/12 Miscellaneous Records, 1899-2003