www.cimec.ro

www.mnir.ro

www.patzinakia.ro

http://www.geocities.com/romaniancoins

http://www.romancoins.go.ro

http://www.transylvanian-numismatics.com

http://www.fitzmuseum.cam.ac.uk/coins/coinofthemoment/Dracula/Dracula.html

http://www.sigismundus.hu/guide/index.php?l=en