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
Newnham College, Cambridge that is held roughly once per week, students at the college now also have a modern buttery in which to eat and relax. The College is also home to the Grade II* listed 1897 Yates Thompson Library, with its beautiful ornamented ceiling, augmented by the addition of the Horner Markwick building in 2004. The library was originally Newnham students' primary reference source since women were not allowed into the University Library. It remains one of the largest college libraries in Cambridge with a strong collection of some 90,000 volumes, including approximately 6,000 rare books. The collection is kept as relevant,