Middle Ages
http://www.geocities.com/sinistraltyger/SCA/med_occupation.html
 http://www.castles-of-britain.com/castle32.htm
http://www.castles.me.uk/medieval-occupations.htm
http://www.michelesinclair.com/medieval_life.shtml
http://mail.jsd.k12.ca.us/bf/bflibrary/Medieval%20Life/MedievalJobs.htm