Libraries include the Mauritius Institute Public Library (75,000 volumes), the Mauritius Archives (36,000), the University of Mauritius Library (35,000), and the Port Louis City Library (110,000). The Sugar Industry Research Institute Library maintains a unique collection of 29,870 volumes on all aspects of sugar cane cultivation and manufacture. In 2001, Mauritius had a total of 10 museums. The Mauritius Institute operates the Natural History Museum (1880) in Port Louis. The Historical Museum (1950) is in Mahébourg. The Folk Museum of Indian Migration is in Moka at the Mahatma Gandhi Institute. Port Louis is also home to a historical museum and a natural history museum.