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| система регистрации выдачи книг при помощи временных карточек | |||
| система скольжения | |||
| slip system: 25 phrases in 14 subjects |
| Aeronautics | 1 |
| Astronautics | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Business | 1 |
| Elections | 2 |
| Librarianship | 6 |
| Makarov | 1 |
| Metallurgy | 3 |
| Military | 1 |
| Physics | 2 |
| Rail transport | 1 |
| Technology | 2 |
| Transport | 2 |