The National Art Library (NAL) is a major reference library, situated in the Victoria and Albert Museum (V&A), a museum of decorative arts in London. It is freely accessible to the public from Tuesday to Saturday, and specialises in material about the fine and decorative arts of many countries and periods. It also contains substantial sources for information about artists. In the past, the NAL operated a restrictive admissions policy and was known as a library of last resort but that has since changed, as nowadays everyone is welcome to use the library and its collections.