The Index of Medieval Art
"[..]The collections include images and descriptive data related to the iconography of works of art produced between late Antiquity and the sixteenth century."
NDC: 701
ICONCLASS
"The Iconclass system has a history reaching back into the 1940's when Henri van de Waal began to develop ideas for a universal classification for the subject matter of works of art."(Documentation)
NDC: 701
