- 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
- 39 more...