Peking University Library was founded in 1902 and after over a hundred years of development and growth, it has become the largest university library in Asia. The current library building covers 51,000 square meters, houses a collection of 5,830,640 items, including 1,500,000 copies of ancient books, 11,547 kinds of periodicals published before 1949, 605 pre-1949 newspaper titles, and approximately 24,000 kinds of rubbings from inscriptions on ancient bronzes and stone tablets. The library also has a sizeable collection of audio-visual materials, CD-ROMs, and databases in various disciplines. Peking University library is a member of International Federation of Library Associations and Institutions (IFLA), China Library Association, and China Science Information Association. The management centers of China Academic Library Information System (CALIS) and China Academic Social Sciences and Humanities Library (CASHL) are also located in the library.