John Rylands Library assembled by George Spencer, 2nd Earl Spencer, which Mrs Rylands purchased from Lord Spencer in 1892. She had begun acquiring books in 1889 and continued to do so throughout her lifetime. After its inauguration on 6 October 1899 (the wedding anniversary of John Rylands and Enriqueta Tennant) the library opened to readers and visitors on 1 January 1900. The John Rylands Library and the library of the University of Manchester merged in July 1972 and was named the John Rylands University Library of Manchester. Special collections built up by both libraries were progressively concentrated in the Deansgate building. The building
University of Manchester Library of the John Rylands Library, enabled the building of a tent-like octagonal hall next to the library, the Muriel Stott Conference Centre (on the building of the extension this was enclosed by the rest of the library). The design of the extension was modified when actually implemented in 1979 so that a link section united it with the three-wing existing library building. This new extension opened in the autumn term of 1981 and at the same time the medical and science (Christie) libraries were vacated so that a more coherent organisation of stock became possible. By the time this building