This series contains material collected and compiled by Hayes while researching the life and works of Gainsborough for various projects, and includes:
-Correspondence, notes and images relating to 'The letters of Thomas Gainsborough'
-Correspondence, notes and images relating to 'Gainsborough drawings'
-Correspondence, notes and drafts for Hayes' projects on Gainsborough's fancy pictures and portraits
-General correspondence, organised by subject
-Research files, organised by subject
There is also a small amount of material relating to Dupont, Gainsborough (1754-1797), Gainsborough's nephew, which Hayes had kept together with the rest of these research materials.