It gives access to collections of publications in various fields of study. The collections are gathered on the 3rd and 4th floor. The readers can move around both levels (3rd/4th floor) using the indoor stairs located on the 3rd floor – 'a shell'. 
The collections have been sorted thematically in accordance with Universal Decimal Classification. The books have been sorted alphabetically within the collections on seperate study areas. Both reading rooms give access to around 100,000 volumes. The Reading Room with the Philological Collection is placed on the 4th floor, within the Free Access Department.