▁Contempor aries , ▁University ▁of ▁Toronto ▁Press , ▁Toronto , ▁Ontario , ▁ 1 9 7 2 ▁El ia , ▁Mario ▁Man ieri , ▁Louis ▁Henry ▁S ull ivan , ▁Pr inc eton ▁Arch itect ural ▁Press , ▁Pr inc eton ▁NY , ▁ 1 9 9 6 ▁Geb hard , ▁David ▁& ▁Ger ald ▁Mans heim , ▁Building ▁of ▁Iowa , ▁Oxford ▁University ▁Press , ▁New ▁York , ▁ 1 9 9 3 ▁K var an , ▁Ein ar ▁Ein ar sson , ▁The ▁Louis ▁S ull ivan ▁Pil gr image , ▁un pub lished ▁manuscript ▁Mor r ison , ▁Hugh , ▁" Louis ▁S ull ivan : ▁Pro ph et ▁of ▁Modern ▁Architecture ", ▁W . W . ▁N orton ▁and ▁Company , ▁New ▁York , ▁▁ 1 9 6 3 ▁Tw omb ly , ▁Robert , ▁Louis ▁S ull ivan : ▁His ▁Life ▁and ▁Work , ▁Elizabeth ▁S if ton ▁Books ▁- ▁Vik ing , ▁New ▁York , ▁ 1 9 8 6 ▁Wilson , ▁Richard ▁Guy ▁and ▁Sid ney ▁K . ▁Robinson , ▁The ▁Pra irie ▁School ▁in ▁Iowa , ▁Iowa ▁State ▁University ▁Press , ▁Am es , ▁Iowa , ▁ 1 9 7 7 ▁ ▁References ▁ ▁Category : Com mer cial ▁buildings ▁completed ▁in ▁ 1 9 1 4 ▁Category : Louis ▁S ull ivan ▁buildings ▁Category : National ▁Historic ▁Land marks ▁in ▁Iowa ▁Category : Build ings ▁and ▁structures ▁in ▁Pow esh iek ▁County , ▁Iowa ▁Category : B ank ▁buildings ▁on ▁the ▁National ▁Register ▁of