- FondsCrook - Papers of John Anthony Crook
- SeriesE - Miscellaneous
- SubseriesE6 - JAC's parents, war years, early academic career, various writings
- File4 - John Anthony Crook and the Second World War
- 69 more...
- Item70 - Envelope addressed to John Anthony Crook
- Item70a - Cutting from the 'Telegraph', issue no. 27,474
- Item71 - Printed receipt addressed to H. Crook
- Item72 - Autograph postcard signed to John Anthony Crook, 1st Clarinet
- Item73 - Autograph Christmas card signed to John Anthony Crook and his father
- Item74 - TLS to J. H. Crook [probably John Anthony Crook]
- Item75 - TLS to Colonel Charles E. Ponsonby
- Item76 - Five forms regarding John Anthony Crook's release from Army service
- Item77 - Army form W5258, Record of service for John Anthony Crook
- 6 more...