Architecture in Medieval Serbia - History by Vojislav Korac of sacred buildings and fortifications, illustrated with expandable photographs, from his book 'The History of Serbian Culture' (1995). Hosted by the Serbian Unity Congress. - http://www.suc.org/culture/history/Hist_Serb_Culture/che/Medieval_Architecture.html
Culture - The National Tourism Organization of Serbia provides illustrated descriptions of historic buildings throughout the country, mainly churches and monasteries. - http://www.serbia-info.com/ntos/cultmain.htm