Free access to many records and information. Also books are offered for free as well as several connections to pertinent websources.
Free website in all its parts and sections. Users are allowed to download material with no payment and order books'hard copies (sometimes also free of charge)
Most publications are retrievable for free. Accessibility to large special archives and other websources are also offered
A complex structure of internal linking is provided as well as a well-developed integration with special collections. In addition, a good number of outside links are retrievable in a section devoted to websources and databases