Text and illustrations introduce various codes and ciphers and give examples of their use throughout history.
| hid | mid | miid | nid | wid | location_code | location | barcode | callnum | dewey | created | updated |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 862758 | 4592895 | 2292 | 19193 | 36945 | BRFR | 113 | BREL03454 | 652 SAR | 652 | 1579893772 | 1736518457 |
| 989879 | 4704230 | 2427 | 19193 | 36945 | VCP | 434 | VCP0002440 | 652 Sar | 652 | 1580216172 | 1736800991 |
| 1288195 | 4958874 | 2316 | 19193 | 36945 | PEBT | 367 | PEBT12221 | 652 Sar | 652 | 1581465224 | 1736518457 |
| 2216349 | 5770734 | 2240 | 19193 | 36945 | SPCMS | 422 | SPCJ005692 | 652.8 SAR | 652.8 | 1582575937 | 1709307855 |
| 2978263 | 6446746 | 2407 | 19193 | 36945 | PCE | 301 | PCC0003133 | 652 SAR | 652 | 1637782573 | 1736800991 |