National Library of Wales
The National Library is one of the great libraries of the world. Since 1911 it has enjoyed the right to collect, free of charge, a copy of every printed work published in Britain and Ireland. In addition it has a huge collection of works about Wales and the other Celtic countries: books and pamphlets, magazines and newspapers, microforms, ephemera, and a wealth of electronic material.

Moving Image Collection of the National Library of Wales
The Moving Image Collection of the National Library of Wales consists of both film and video formats and provides an extensive resource for research on all aspects of Welsh life. It is categorised under film, published video and unpublished video.

Photo Collection of the National Library of Wales
Founded in 1907 the National Library of Wales has collected photographs, concentrating on pictures that document people and places in Wales or Welsh life in general. The collection now numbers about 750,000 images dating from the earliest days of photography to the present. It is the largest and richest collection of photographs of Welsh interest in existence and represents the foundation of a Welsh National Photographic Archive. Photographs may be seen by authorised readers at the Library. They are not lent out but copies can be produced for most purposes.

The Dylan Thomas Collection
Part of the Swansea Library site dedicated to Dylan Thomas and introducing the Dylan Thomas Collection. Includes the Dylan Thomas Trail.

www.herywe.org.uk
This is a new and entertaining site for primary school children by Gwynedd Library Service in cooperation with Cynnal and Anglesey Library Service, with support from the Welsh Assembly Government. The site contains games, links to interesting and fun sites and all sorts of information about authors, books and reading. The intention of the site - which is available in Welsh and English - is to teach children how to use their Library Services whilst offering a safe, fun and educational activity on the Internet.