http://www.licartists.org/artists.htm

http://www.queensmuseum.org/exhibitions/indexretsas.html

http://www.abstractexposure.com/exhibitions_sep05.html

http://www.wtcsitememorial.org/ent/entI=278569.html

http://www.fluxfactory.org/leonora-retsas/

http://www.galleryartist.com/leonoraretsas/index.php?artist=281&ptr=portfolio