Trier City Library - one of the largest and oldest collections of books in Rhineland-Palatinate. The basis of the library was a collection of books of the Jesuit monastery, founded in 1560. By 1763, the number of copies of the meeting was already 10075 volumes, the library supplied with the necessary literature old University of Trier. After secularization under the French rule and the closure of the monastery library was transferred to the municipality.

Today the building the city library was constructed from 1955 to 1960 by architect Alphonse Lytle and a five-storey concrete building with a cubic lattice. In addition to fixed assets in the central building it is also unavailable for the visitors valuable archive. From the garden to the library adjoining two-story trapezoidal room reading room. All the buildings is an architectural monument.

The current collection of the City Library of Trier is 413 thousand volumes of books, 2600 manuscripts and 2500 incunabula (early printed books). Including 38 thousand volumes, dated 16th and 17th century. A significant collection of literature devoted to the history of Trier and the Mosel, wine and history. The most valuable items - a real treasure city library - can be seen in small showrooms. There are miniatures of famous Trier Apocalypse, one of the few surviving copies of the Gutenberg Bible, the Code of Archbishop Egbert von Trier's the end of the 10th century and other ancient manuscripts.