- SýndarsafnDX19 - Cotton Family Papers
- SkjalaflokkurC - Francis Cotton : Family and general correspondence, personal papers : 66 to 133
- General Correspondence : 82 to 125
- Eining82 - Letter from F.Aubin
- Eining83 - Letter from James Backhouse, York
- Eining84 - Letter from James Backhouse Jnr.
- Eining85 - Letter from J. Bassett
- Eining86 - Letter from William Beck, London
- Eining87 - Letter from George Renison Bell
- Eining88 - Letter from Ellen Boultbee
- Eining89 - Letter from George Bowes
- 36 more...