▁more ▁ir r ational ▁behavior ▁than ▁other ▁colors ▁of ▁man , ▁su iting ▁them ▁as ▁servants . ▁ ▁He ▁c ites ▁a ▁verse ▁in ▁the ▁Book ▁of ▁Gen esis ▁that ▁states ▁that ▁Ham ▁and ▁all ▁of ▁his ▁descend ants ▁were ▁dest ined ▁to ▁be ▁slaves . ▁He ▁arg ues ▁that , ▁due ▁to ▁the ▁black ' s ▁inferior ▁attributes , ▁they ▁possessed ▁a ▁need ▁to ▁be ▁ens la ved . ▁ ▁His ▁book ▁discuss es ▁how ▁a ▁black ▁man ' s ▁physical ▁stat ure ▁and ▁skin , ▁as ▁opposed ▁to ▁those ▁of ▁a ▁white ▁man , ▁are ▁designed ▁to ▁be ▁more ▁dur able ▁and ▁therefore ▁intended ▁for ▁hard ▁manual ▁labor . ▁ ▁Pam ph lets ▁and ▁historical ▁profiles ▁In ▁addition ▁to ▁his ▁books , ▁Pri est ▁wrote ▁several ▁pam ph lets ▁foc using ▁on ▁hero es ▁of ▁the ▁American ▁Revolution . ▁ ▁His ▁narr atives ▁suggest ▁a ▁pre occupation ▁with ▁ra cial ▁conflicts , ▁since ▁they ▁focus ▁mainly ▁on ▁soldiers ▁who ▁had ▁been ▁held ▁in ▁capt ivity ▁by ▁Native ▁Americans . ▁Frank ▁H . ▁Sever ance ▁( 1 8 5 6 - 1 9 3 1 ), ▁a ▁noted ▁author - histor ian , ▁def ended ▁Pri est ' s ▁style ▁of ▁writing , ▁saying , ▁" I ' m ▁aware ▁that ▁Pri est ▁is ▁not ▁altogether ▁trust worth y ▁as ▁a ▁historian . ▁... ▁Pri est ▁is ▁least ▁trust worth y ▁in ▁his ▁more ▁am bit ious ▁work ; ▁whereas ▁his ▁un pret ent ious ▁pam ph lets ... ▁contain ▁true ▁narr