Institutional information:
http://www.comune.assisi.pg.it
http://www.visit-assisi.it

Art, monuments and museums:
http://www.assisionline.com/
http://www.assisi.com/musei

Regional informations:
https://www.umbriatourism.it/en

Calendimaggio in Assisi:
http://www.calendimaggiodiassisi.com/

Park of the Subasio mountain:
http://www.parks.it/parco.monte.subasio/
index.html

Other information on the city:
http://www.assisiweb.com
http://www.assisivirtual.com

Accademia Italian language in Assisi:
http://www.aliassisi.it

Transport and schedules: 
http://www.umbriamobilita.it/it

Assisi photo:
Assisi's historical photo
http://www.angelucci.com

Events, Fairs, Manifestations
http://www.bellaumbria.net/Assisi/
eventi_eng.htm