Wikipedia: Villa An illustrated definition and description of the various types of building which have been called villas from Roman to modern from the collaborative encyclopedia. http://en.wikipedia.org/wiki/Villa Top/Arts/Architecture/Building_Types/Houses/Villas
Wikipedia: Danish Royal Library An illustrated description with a link to a Wikimedia Commons thumbnail gallery of images of the new (1999) 'Black Diamond' library extension building designed by the Danish architects Schmidt, Hammer and Lassen. http://en.wikipedia.org/wiki/Royal_Library,_Copenhagen Top/Arts/Architecture/Building_Types/Libraries
Wikipedia: Bibliotheca Alexandrina This huge modern library in Egypt designed by Norwegian architects Snøhetta, commemorates the famous ancient Library of Alexandria. An illustrated description from the collaborative online encyclopedia. http://en.wikipedia.org/wiki/Bibliotheca_Alexandrina Top/Arts/Architecture/Building_Types/Libraries