biography 2 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|CX2830901126&&docId=GALE|CX2830901126&docType=GALE


http://www.surveyhistory.org/jean_baptiste_delambre1.htm

http://www.gap-system.org/~history/Biographies/Delambre.html