Call ag han . ▁The ▁book ▁continued ▁Hoff man ' s ▁them es ▁and ▁introduced ▁the ▁concept ▁of ▁Irish ▁women ▁being ▁for ci b ly ▁b red ▁with ▁African ▁men ▁in ▁order ▁to ▁produce ▁mul att os , ▁who ▁are ▁represented ▁as ▁being ▁more ▁valuable ▁than ▁slaves ▁of ▁purely ▁Irish ▁ancest ry . ▁It ▁is ▁not ▁made ▁clear ▁why ▁this ▁is ▁the ▁case , ▁or ▁why ▁it ▁was ▁not ▁possible ▁to ▁achieve ▁the ▁same ▁result ▁with ▁the ▁physical ▁union ▁of ▁European ▁men ▁and ▁African ▁women , ▁a ▁far ▁more ▁frequent ▁inter ra cial ▁union . ▁Other ▁authors ▁repeated ▁these ▁l ur id ▁descri ptions ▁of ▁Irish ▁women ▁being ▁comp elled ▁to ▁have ▁sex ▁with ▁African ▁men , ▁which ▁have ▁no ▁basis ▁in ▁the ▁historical ▁record . ▁Li am ▁Hog an ▁and ▁other ▁histor ians ▁have ▁described ▁the ▁book ▁as ▁sh odd ily ▁research ed . ▁ ▁In ▁the ▁Dublin ▁Review ▁of ▁Books , ▁professor ▁Bry an ▁F anning ▁states : ▁" The ▁popular ity ▁of ▁the ▁' I r ish ▁slaves ' ▁m eme ▁cannot ▁simply ▁be ▁bl amed ▁on ▁the ▁online ▁propag anda ▁of ▁white ▁supre mac ist ▁groups . ▁There ▁are ▁several ▁elements ▁at ▁play ▁beyond ▁the ▁deliber ate ▁f als ification ▁of ▁the ▁past . ▁W ides p read ▁accept ance ▁online ▁of ▁a ▁false ▁equivalence ▁between ▁ch att el ▁sla very ▁and ▁the ▁treatment ▁of ▁Irish ▁migr ants ▁appears ▁to ▁be ▁root ed ▁in ▁Irish ▁narr atives ▁of ▁victim hood ▁that ▁continue ▁to ▁be ▁art ic ulated ▁within ▁Ireland