| 1. J S, 'George Bidder, the Calculating Boy', Mirror of Literature, 7 (1826), 307 |
| 2. Anon, 'Extraordinary Longevity', Punch, 30 (1856), 120 |
| 3. Anon, ''Who's Griffith?'. An Ode In Commemoration of a Grand Parliamentary Feat', Punch, 47 (1864), 50 |
| 4. Anon, 'Our Note Book[1] Blown Up[2] A Wonderful Boy!', Boy's Own Paper, 2 (1880), 603–04 |
| 5. Anon, 'Calculating Boys', Boy's Own Paper, 2 (1880), 794–95 |
| 6. Anon, 'Our Note Book[1] Practical Entomologists at Work[2] An Anecdote of Bidder', Boy's Own Paper, 3 (1880), 118 |
