Bio Sources

Sources: 

http://scienceworld.wolfram.com/biography/Peurbach.html

http://www.britannica.com/EBchecked/topic/454669/Georg-von-Peuerbach

http://encyclopedia2.thefreedictionary.com/Purbach%2c+Georg+Von

http://go.galegroup.com/ps/retrieve.do?sgHitCountType=None&sort=RELEVANCE&inPS=true&prodId=GVRL&userGroupName=fl_sarhs&tabID=T003&searchId=R1&resultListType=RESULT_LIST&contentSegment=&searchType=BasicSearchForm&currentPosition=4&contentSet=GALE%7CCX2830904929&&docId=GALE|CX2830904929&docType=GALE

http://go.galegroup.com/ps/retrieve.do?sgHitCountType=None&sort=RELEVANCE&inPS=true&prodId=GVRL&userGroupName=fl_sarhs&tabID=T003&searchId=R1&resultListType=RESULT_LIST&contentSegment=&searchType=BasicSearchForm&currentPosition=1&contentSet=GALE%7CCX3408501337&&docId=GALE|CX3408501337&docType=GALE