| RefNo | Title |
| EUL MS 297 | Arthur Caddick: reading of his own poems 'Illusive Hour' |
| EUL MS 124 | Literary and personal papers of Arthur Caddick |
| EUL MS 124/add. 1 | Arthur Caddick: reading of his own poems 'The tilting of the scale' |
| EUL MS 256 | Arthur Caddick papers relating to 'Dark Monarch' legal case |