- FondsCrook - Papers of John Anthony Crook
- SeriesC - Card indexes
- ItemC1 - Handwritten card index to the books in JAC's library
- ItemC2 - Handwritten card index to JAC's collection of offprints
- ItemC3 - Typescript card index containing prosopographical notes arranged alphabetically by individual
- ItemC4 - Handwritten card index containing prosopographical notes arranged alphabetically by individual
- ItemC5 - Handwritten card index, labelled 'Epig', containing notes from epigraphical sources on various Roman legal offices and their holders
- ItemC6 - Handwritten card index containing notes on legal cases drawn from papyri sources
- ItemC7 - Handwritten card indexes
- ItemC8 - Handwritten card indexes