| 001 | Science and knowledge in general. Organization of intellectual work |
| 002 | Documentation. Books. Writings. Authorship |
| 003 | Writing systems and scripts |
| 004 | Computer science and technology. Computing. Data processing |
| 005 | Management |
| 006 | Standardization of products, operations, weights, measures and time |
| 007 | Activity and organizing. Communication and control theory generally (cybernetics). 'Human engineering' |
| 008 | Civilization. Culture. Progress |
