Colleges of the University of Cambridge ones admit both male and female students as both undergraduates and postgraduates, without any age restrictions. Eight colleges restrict entry by sex, or by age of undergraduates, or admit only postgraduates: No colleges are all-male, although most originally were. Darwin, founded in 1964, was the first mixed college, while in 1972 Churchill, Clare and King's colleges were the first previously all-male colleges to admit women. The last all-male college to become mixed was Magdalene, in 1988. In 1973 Hughes Hall became the first all-female college to admit men, and Girton admitted men in 1976. Lucy Cavendish also places restrictions on
Libraries of the University of Cambridge have a working library, generally to support undergraduate teaching. Material in the College libraries will typically cover all Tripos subjects. Many of the Colleges also have special collections such as early printed books and manuscripts, and are often kept in a separate library. For example, Trinity College's Wren Library holds more than 200,000 books printed before 1800, while the Parker Library at Corpus Christi College, has one of the greatest early medieval European manuscript collections in the world, with over 600 manuscripts. Libraries of the University of Cambridge There are over 100 libraries within the University of Cambridge. These include