| English | eng-000 |
| original sources | |
| 普通话 | cmn-000 | 原始资料 |
| English | eng-000 | basic data |
| English | eng-000 | firsthand information |
| English | eng-000 | original data |
| English | eng-000 | raw information |
| English | eng-000 | source book |
| English | eng-000 | source material |
| English | eng-000 | sourcebook |