Codex Agrimensorum, Roman manual of land surveying from the 5th or 6th century. Cod. Guelf. 36. 23 Aug. 2°

Besides printed books and manuscripts the holdings of the library also comprise other hand-written materials such as deeds and charters, papers belonging to individual estates and collections of correspondence. Among other things the special collections consist of artist's books and Ars librorum, the Bible collection, prints and engravings, historical maps, paintings, and other objects.

Block books 
Rare books 
Special collections 
Libraries and collections 
Library archive 
History of the holdings