Questo Blog fa parte di Storia Medievale dai Castelli ai Monstra.
www.storiamedievale.net

The Museum of Medieval Stockholm.
http://www.medeltidsmuseet.stockholm.se/museet.php?sprak=english

Pontificia Università Antonianum. Scuola Superiore di Studi Medievali e Francescani.
http://www.antonianum.ofm.org/studimedievali/informazioni.html

Centre for the Study of the Viking Age. The University of Nottingham.
http://viking.nottingham.ac.uk/

La caìda de Constantinopla.
http://www.cervantesvirtual.com/portal/constantinopla/pcuartonivel.jsp?conten=presentacion

La Alhambra de Granada.
http://www.alhambradegranada.org/