FOS (School Research Center Collection)
| Js GEX | Printed sources and texts |
| Js GEY | Unprinted sources and texts |
| Js SG | Textbooks and textbooks, schoolbooks |
| Js SGA | Political and social history of the school |
| Js SGB | Educational sciences |
| Js SGC | Reference books |
| Js SGD | German |
| Js SGE | Geography, local history |
| Js SGF | Foreign languages |
| Js SGG | History, social sciences, philosophy |
| Js SGK | Art, Music |
| Js SGM | Mathematics, economics |
| Js SGN | Natural sciences |
| Js SGR | Protestant / Catholic religion |
| Js SGS | Sports |
| Js SGT | Textile design, home science, technology |
| Js SGX | Interdisciplinary texts |