- FondsCrook - Papers of John Anthony Crook
- SeriesD - Correspondence
- SubseriesD1 - Files of letters mostly to, with some from JAC, arranged alphabetically by sender/recipient
- File2 - Box 2, Letters C-G
- ItemALS from John Crook to Michael (surname unspecified)
- Item1 - TLS from Francis Cairns
- Item2 - TLS from Crook to Prof. Cairns
- Item3 - ALS from Clare Campbell
- Item4 - ALS from Clare Campbell
- Item5 - TLS from Clare Campbell.
- Item6 - ALS from Clare Campbell.
- Item7 - ALS from Clare Campbell
- 219 more...