- Gy?jteményDX19 - Cotton Family Papers
- SorozatC - Francis Cotton : Family and general correspondence, personal papers : 66 to 133
- General Correspondence : 82 to 125
- Iratdarab82 - Letter from F.Aubin
- Iratdarab83 - Letter from James Backhouse, York
- Iratdarab84 - Letter from James Backhouse Jnr.
- Iratdarab85 - Letter from J. Bassett
- Iratdarab86 - Letter from William Beck, London
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