| arhi | Archives |
| art | Works of art, original work |
| bibg | Bibliography |
| bibl | Librarianship: libraries and books, antiquarian |
| cirk | Use of documents, borrowing, lending |
| doku | Documents in general: data media |
| edu | Education |
| elr | Electronic resources |
| eop | Electronic data processing |
| fin | Budgeting and accounting |
| fond | Stock, document storage, filling, shelving |
| gen | Generalities, miscellaneous subjects |
| ikon | Pictures, iconic material |
| ind | Indexing |
| inf | Information science, information systems |
| inter | Internet, Web services, content providing |
| knm | Knowledge management |
| kart | Cartographic materials |
| kat | Books and serials: cataloguing |
| klas | Classifications |
| kol | Collection development and planning |
| kom | Communication, networks, access, data transmission |
| konz | Preservation and conservation |
| kor | Reader services, user studies, reading |
| leg | Law: intellectual property, authors' rights |
| ling | Language and terminology |
| manu | Manuscripts: tablets, rolls, hand-written books and documents |
| mng | Management, administration, office work |
| muze | Museums |
| muzi | Printed music, sheet music, libretto |
| nab | Acquisitions |
| nkg | Non-book materials: cataloguing |
| opr | Equipment, furniture |
| org | Institutions and associations |
| pap | Paper |
| pers | Personell |
| pov | Binding, labels, cover, jacket |
| pr | Public relation, advertising |
| print | Printing, editing, text processing |
| publ | Publishing, bookselling, antiquarian selling |
| repr | Reprography, photography |
| scri | Writing: sign sets and systems, digitized text, typographic letters |
| ssr | Storing, search and retrieval, search evaluation |
| tez | Thesaurus |
| zgra | Space, buildings, work conditions |