.is using the Heritrix web crawler. The library is the ISBN and ISSN national center in Iceland. It is also the national center for interlibrary loans. It has the role of coordinator for the national OPAC, Gegnir. The library has the duty to provide information and library service to the general public. It has a special duty to support the needs of teaching and research at the University of Iceland. The library manages subscriptions to scientific databases and electronic journals for the university and administers the office for national access to bibliographic databases and electronic journals, hvar.is, jointly financed by the Icelandic state and a consortium of Icelandic libraries, schools and research institutions and companies. Collections Reference section The reference section of the library contains reference works, manuals, encyclopedias, dictionaries and bibliographic registries etc. for on-site consultation. Within the reference section there are also computers for consulting the OPAC and for general use by guests. As these are part of the Internet of the University of Iceland, they have access to all electronic reference works that the university subscribes to in addition to the library subscriptions. The same applies to the wireless Internet hotspot available in the whole building. Part of the collection of reference works is available in the reading hall of the national and manuscript collections. National collection The national collection comprises all Icelandic published material in print, electronic or audiographic form collected through the legal deposit or acquired by other means. The library actively collects materials relating to Iceland published elsewhere and not subject to the Icelandic law on legal deposit. This equally applies to materials published online. This way, the library has created the most complete collection of Icelandic materials available anywhere in the world which it conserves, stores and makes available for on-site use in a special reading hall it shares with the manuscript collections. Access to highly valuable and rare items is restricted, but the library usually tries to make these available through its digital imaging production line. Within the national collection there are some private collections of individuals that are stored separately. Manuscript collections The library manuscript collections contain some 15,000 items, the oldest vellum manuscripts dating from around 1100 and are among the earliest examples of written Icelandic. Most of the collections are paper manuscripts, the oldest ones dating from the end of the 16th century. The youngest items are collections of