▁she ▁joined ▁the ▁department ▁of ▁" Black ▁Africa " ▁of ▁eth n ographic ▁museum . ▁There , ▁she ▁met ▁and ▁started ▁a ▁friendship ▁with ▁Michel ▁Le ir is . ▁In ▁ 1 9 5 7 , ▁thanks ▁to ▁Claude ▁Lé vi - St ra uss ▁she ▁was ▁appointed ▁director ▁of ▁research ▁at ▁the ▁EP HE ▁in ▁which ▁she ▁gave ▁less ons ▁to ▁many ▁students ▁for ▁the ▁first ▁time ▁in ▁anth rop ology . ▁She ▁finally ▁became ▁the ▁responsible ▁of ▁the ▁technical ▁committee ▁of ▁Anth rop ology ▁at ▁the ▁School ▁for ▁Advanced ▁Studies ▁in ▁the ▁Social ▁Sciences   in ▁ 1 9 6 7 . ▁ ▁She ' s ▁been ▁known ▁to ▁write ▁mon ographic ▁books , ▁of ▁the ▁Dog on ▁people ▁but ▁also ▁to ▁develop ▁concept ▁of ▁" system ▁of ▁age ▁groups ". ▁ ▁Organisation ▁sociale ▁des ▁Dog on ▁( S oud an ▁français ) ▁▁ ▁L ' organisation ▁sociale ▁des ▁Dog on ▁( 1 9 4 0 ) ▁is ▁the ▁first ▁mon ographic ▁book ▁of ▁Den ise ▁Paul me . ▁She ▁wrote ▁it ▁at ▁the ▁same ▁period ▁the ▁World ▁War ▁II ▁hence ▁its ▁success ▁was ▁not ▁recognize . ▁Nevertheless , ▁in ▁the ▁ 6 0 s , ▁Georges ▁Bal and ier ▁quote ▁it ▁as ▁a ▁rare ▁example ▁of ▁a ▁bal anced ▁mon ography ▁of ▁social ▁anth rop ology . ▁Indeed , ▁Den ise ▁Paul me ▁presented ▁this ▁work ▁as ▁a ▁dis sert ation ▁of ▁law , ▁hence ▁the ▁book ▁contains ▁a ▁very ▁struct ured ▁guid eline . ▁ ▁Despite ▁the ▁date ▁of