that allowed the study of this language: loose leaves, poems and manuscripts. And also handwritten texts, speeches, sermons, letters, and historical documentation. Other curious materials that integrate the collection of the library are ephemeral and difficult to achieve materials like brochures, small format publications, posters, loose leaves, etc. GENERAL FUND. The general fund of the library is formed by monographs and reference works. There are about 9.000 volumes that covers all the areas of knowledge, although history and art are the most represented, specially referred to Asturias. The typologies are varied: manuals, memories of archaeological excavations, catalogues of exhibitions, museums, records of congresses, thesis, tesinas, homages, etc. The Archaeologic Museum of Asturias has the function, conferred by the Law 1/2001 of Cultural Heritage, of protect all the rests and archaeological objects that are exhumed in the excavations that makes the Princedom of Asturias. It also has the obligation to carry out the promotion of the investigation and Asturian archaeology. In relation with this function, in the collection abound the Excavations Memories and the monographic studies of archeological sites that attract many requests of query from users. Since the 1980s, the increase of the management archaeology and the projects and archaeologic plans, as well as the interventions of conservation and monument restoration in all the country, propitiated a big development of publications that collects the plans and memories. Cultural Heritage services of each region develop and issue publications and newsletters with this detailed information for its diffusion, as the result of a lot of archeological sites needs years of excavation campaigns. PERIODIC PUBLICATIONS. It has an important collection formed by of 152 titles in permanent growth. A great part of the fund enters through the agreements of exchange, with more than 70 Spanish and foreign institutions. Some are previous to 1900, like the Bulletin of the Academy of the History, the Bulletin of the Spanish Society of Excursions : Art, Archaeology, History or the Bulletin of the Royal Academy of Saint Fernando, The Galician and Asturian illustration, the Magazine of Archives, Libraries and Museums, etc. During the first 30 years of the 20th century, the most frequent titles are, between others, Revue of synthèse historique, Upper Board of Excavations and Antiquities, Museum : monthly magazine of ancient and modern Spanish art and of the contemporary artistic life. Since 1944 there is a strong worry to keep alive the collections and acquire