Letters of appreciation, etc.
Letters to Barrett about his career as a representative of William Brown and Company of Liverpool Limited, merchants of fruit, rice, canned food, etc.
Letters about Barrett's work for the Labour Party in Devon
Records concerning the Leicester by-election of 1913
Correspondence about Barrett's work for the National Union of Agricultural Workers (NUAW)
Records concerning Barrett's imprisonment as a conscientious objector in World War I
Correspondence and papers concerning reformed spelling, 1917-1919, 1940-1949
Records concerning the Sunderland water supply
Records concerning tithes
General correspondence and papers
Press cuttings and other records concerning the 'Bedfordshire Mercury'.
Press cuttings concerning Barrett's activities in local politics whilst living at Rockvale, Stoke Fleming, Dartmouth
Notes on furniture history
Press cuttings and other records concerning the 'Leicester Pioneer'
Ruskin Hall (later Ruskin College) essays and notes by Barrett.
'Men of Mark', the unpublished life and letters of Barrett (begun in Nov 1924 and finished in Aug 1948) and related records