- FondsCrook - Papers of John Anthony Crook
- SeriesD - Correspondence
- SubseriesD1 - Files of letters mostly to, with some from JAC, arranged alphabetically by sender/recipient
- File6 - Box 6, Letters S-Z
- 82 more...
- Item83 - ALS from Crook to Richard Sykes
- Item84 - ALS from Crook to Jane Heal enclosing material from Richard Sykes
- Item85 - ALS from Jane Heal to Crook
- Item86 - ALS from Richard Sykes (Bristol) to Crook
- Item87 - Postcard signed from Richard Sykes to Crook
- Item88 - ALS from Richard Sykes (Bristol) to Crook
- Item89 - TLS from Richard Sykes to Crook
- Item90 - ALS from Eleanor Symons of Lawrence, Kansas to Crook
- Item91 - Typescript copy of letter from Crook to the editor of 'Gamut'
- 80 more...