Johannes Hevelius Sources

http://go.galegroup.com/ps/retrieve.do?sgHitCountType=None&sort=RELEVANCE&inPS=true&prodId=GVRL&userGroupName=fl_sarhs&tabID=T003&searchId=R2&resultListType=RESULT_LIST&contentSegment=&searchType=BasicSearchForm&currentPosition=1&contentSet=GALE%7CCX3408501386&&docId=GALE|CX3408501386&docType=GALE

http://en.wikipedia.org/wiki/Johannes_Hevelius

http://www.nndb.com/people/649/000096361/