Researchers from a wide swath of disciplines will make good use of this site, which offers integrated access to well over one million research resources held by the Smithsonian Institution's libraries, archives, and associated research units. The SIRIS gateway features six large combined catalogs: Libraries, Archives & Manuscripts, Art Inventories, Juley Photographic Collection, Research Bibliographies, and Smithsonian Chronology. Users may search either the combined catalogs or the fourteen individual sub-catalogs that comprise them. Short descriptions and contact information for the related archive are provided for all the catalogs. Search options include keyword, creator, title, and subject. Beginning users will appreciate the site's generous search help. The Smithsonian has also begun to integrate multimedia resources into the SIRIS catalogs, including JPEG images, .avi videos, and links to related Websites.