Reference's
Permissions :
Medicine Link www.learner.org/exibhits/middleages/healthact2.html, email message
Reference's
Website sources :
www.kyrene.k12.az.us/schools/brisas/sunda/ma/1katrina.htm
www.kyrene.k12.az.us/school/brisas/sunda/ma/1lisa.htm
Text Scources:
World Book looks at The Age of Knights and Castles