The Baden State Library is a large universal library in Karlsruhe. Together with the Württembergische Landesbibliothek, the BLB is the legal deposit and regional library for Baden-Württemberg.

The State Library of Württemberg is a large library in Stuttgart, Germany, which traces its history back to the ducal public library of Württemberg founded in 1765. It holds c. 4 million volumes and is thus the fourth-largest library in the state of Baden-Württemberg. The WLB owns an important collection of medieval manuscripts as well as one of the largest Bible collections in the world.