John Rylands Library library became one of the first to collect historical family records. Librarians at John Rylands before its merger include Edward Gordon Duff in 1899 and 1900 and Henry Guppy between 1899 and 1948 (joint Librarian with Duff until 1900). Duff was responsible for the original library catalogue, compiled between 1893 and 1899: "Catalogue of the Printed Books and Manuscripts in the John Rylands Library, Manchester"; ed. E. G. Duff. Manchester: J. E. Cornish, 1899. 3 vols. The cataloguing of the books was done by Alice Margaret Cooke, a graduate of the Victoria University. Dr Guppy began publication of the "Bulletin
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