Perhaps you should try some spelling variations:
historischen kollegs » historischen rolle, historischer kollaps, historischen kontext
im historischen » der historischen, zur historischen
schriften im » schriften ii, schriften i, schriften zum

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: schriften im historischen kollegs : (kolloquium OR colloquium).
• Adding a wildcard symbol may retrieve word variants: schriften im historischen kollegs : (kolloquium or colloquium)*.