| clue(noun, information, influence, signal, key) |
| codex(noun, work, copy, guide, novel) |
| copy(noun, work, novel, volume, manuscript) |
| dictionary(noun, work, copy, novel, volume) |
| directory(noun, information, influence, guide, key) |
| dissertation(noun, work, copy, novel, volume) |
| edition(noun, work, copy, novel, volume) |
| encyclopedia(noun, work, copy, guide, novel) |
| essay(noun, work, copy, novel, volume) |
| fiction(noun, work, copy, novel, volume) |
| folio(noun, work, copy, guide, novel) |
| grammar |
| guiding light(noun, expression, information, influence, key) |
| hardcover(noun, work, copy, guide, novel) |
| hot lead(noun, expression, information, influence, key) |
| information(noun, influence, guide, signal, key) |
| instructions(noun, information, influence, inspiration, signal) |
| key(noun, information, influence, inspiration, signal) |
| landmark(noun, information, influence, signal, key) |
| leaflet(noun, work, copy, novel, volume) |