The Herzog August Bibliothek is a renowned research library located in Wolfenbüttel, Germany. Founded in the 17th century by Duke Augustus the Younger, it houses an extensive collection of manuscripts, rare books, and historical documents, making it a significant center for scholarly research. The library is particularly known for its rich holdings in literature, history, and theology. It attracts researchers and scholars from around the world who come to study its unique collections, which include works from the Renaissance and Reformation periods, as well as valuable texts in various languages.