ay ▁photograph er ▁who ▁might ▁have ▁also ▁made ▁photograph s ▁for ▁similar ▁reasons . ▁There ▁were ▁other ▁people ▁working , ▁but ▁he ▁seems ▁to ▁have ▁really , ▁because ▁of ▁the ▁quality ▁of ▁his ▁work , ▁stood ▁apart ." ▁ ▁Att ending ▁tribes ▁ 3 5 ▁individual ▁tribes ▁were ▁represented ▁by ▁more ▁than ▁ 5 0 0 ▁Indians . ▁The ▁tribes ▁in ▁attend ance ▁included ▁the ▁Apache , ▁A rap aho , ▁Ass in ib o ines , ▁Black foot , ▁Che y enne , ▁Ch ipp ew a , ▁Crow , ▁Fl at head , ▁Fox , ▁Iowa , ▁Ki owa , ▁O ma ha , ▁O to e , ▁Pon ca , ▁Pot ta w atom ie , ▁Sau k ▁and ▁Fox , ▁Lak ota , ▁Southern ▁A rap aho , ▁Ton ka wa , ▁W ich ita , ▁and ▁the ▁Win ne b ago , ▁as ▁well ▁as ▁the ▁Santa ▁Clara ▁P ue blo . ▁ ▁Mo oney ' s ▁above - qu oted ▁observation ▁that ▁eth n ology ▁would ▁be ▁" a ▁principal ▁feature ▁at ▁future ▁expos itions " ▁proved ▁proph etic , ▁for ▁Indian ▁Congress es ▁were ▁also ▁conven ed ▁at ▁the ▁Pan - American ▁Ex position ▁in ▁ 1 9 0 1 ▁and ▁the ▁Louisiana ▁P urchase ▁Ex position ▁in ▁ 1 9 0 4 . ▁ ▁See ▁also ▁ ▁History ▁of ▁O ma ha ▁ ▁Native ▁American ▁tribes ▁in ▁Neb r aska ▁ ▁Image ▁gallery ▁The ▁following ▁pictures ▁were ▁all ▁taken ▁by ▁Frank ▁R ine hart ▁and