- 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
- Pièce88 - Letter from Ellen Boultbee
- Pièce89 - Letter from George Bowes
- Pièce90 - Letter from Reuben Burden
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