sentences:  The university's primary library is the Hartley Library, located on Highfield campus and first built in 1935 and extended further in 1959 and 2005.The majority of the books and periodicals are held there as well as specialist collections of works such as Ford collection of Parliamentary papers and the European Documentation Centre.In addition, the main library houses the Special Collections and Archives centre, housing more than 6 million manuscripts and a large archive of rare books.