- FondsBrindley - Papers of Harold Hulme Brindley
- SeriesBox 3 - Notes, correspondence, and explanatory cards
- Item1 - Copy of typescript letter to the Zoological Laboratory
- Item2 - Document file labelled 'Variation & Heredity' containing manuscript notes and bibliographical references
- File3 - Cards displaying notes, diagrams, and tables of a zoological and biological nature