The Berlin State Library (German: Staatsbibliothek zu Berlin; colloquially Stabi) is a universal library in Berlin, Germany and a property of the Prussian Cultural Heritage Foundation. It is one the largest libraries in Europe, and one of the most important academic research libraries in the German-speaking World. It collects texts, media and cultural works from all fields in all languages, from all time periods and all countries of the world, which are of interest for academic and research purposes.
Among the more famous items in its collection are the oldest biblical illustrations, in the 5th century Quedlinburg Itala fragment, a Gutenberg Bible, the main autograph collection of Goethe, the world's largest collection of Johann Sebastian Bach's and Wolfgang Amadeus Mozart's manuscripts, and the original score of Ludwig van Beethoven's Symphony No. 9.