- CollectionDX19 - Cotton Family Papers
- SérieC - Francis Cotton : Family and general correspondence, personal papers : 66 to 133
- General Correspondence : 82 to 125
- Pièce82 - Letter from F.Aubin
- Pièce83 - Letter from James Backhouse, York
- Pièce84 - Letter from James Backhouse Jnr.
- Pièce85 - Letter from J. Bassett
- Pièce86 - Letter from William Beck, London
- Pièce87 - Letter from George Renison Bell
- 38 en plus...