The shelf mark of a book or journal indicates the location of the item in encoded form. Every book and every journal has such a shelf mark, which you will find in the library's catalogue. The shelf mark depicts the exact spot of the item within the library. In addition, in most cases it serves as a subject-related allocation, based on the classification system.
The structure of the shelf marks in our library system may vary. However, they always start with a location code. This location code tells you at which site to find the item (Infoblatt: Wo steht was?).
At Campus Library Holländischer Platz all shelf marks start with numbers 20 (21, 25, 28) or with 125 (textbooks). The following group indicates the section in which the item is located. You will find the list of subject groups in our info sheet Subject Groups in the Campus Library.