Special libraries are those that specialize in a specific subject area, or serve a specific group or institution. Some special libraries are open to outside researchers by appointment only.
Established in 1848, the Mercantile Library is now affiliated with University of Missouri - St. Louis. It holds extensive library and museum collections on St. Louis regional history, Western expansion, and railway and river transportation.
Includes the libraries of Missouri Botanical Garden, Missouri Historical Society, St. Louis Art Museum, and Goldfarb School of Nursing. This group is now part of Mobius as the Explore cluster.