The Museums Library serves the principal literature needs of curators and researchers in the Museums of Anthropology, Exhibits, Paleontology, Zoology and the University Herbarium. The Library collections of 130,000+ cataloged volumes focus on taxonomic botany and zoology, behavioral biology, paleontology and archaeological anthropology.  The Ruthven Museums building houses the Museums Library main collection, as well as collections devoted to Anthropology, Birds, Fish, Herpetology, Insects, Mammals, Mollusks, and Paleontology.  The Herbarium Library collection is housed in the UM Herbarium on Varsity Drive.