, ▁also ▁for ▁texts ▁by ▁Martin ▁Luther , ▁in ▁London ▁for ▁texts ▁of ▁Irish ▁and ▁English ▁po ets . ▁His ▁work ▁as ▁a ▁composer ▁reached ▁its ▁peak ▁in ▁Kansas ▁City , ▁the ▁most ▁important ▁works ▁being ▁the ▁Int ro duct ory ▁Music ▁to ▁the ▁Chinese ▁drama ▁Der ▁Kre ide kreis . ▁He ▁composed ▁a ▁sym phony , ▁ch orus ▁music , ▁m adr ig als , ▁chamber ▁music , ▁and ▁pieces ▁for ▁his ▁grand children . ▁The ▁Vol ker ▁String ▁Quart et ▁and ▁the ▁Kansas ▁City ▁Sym phony , ▁among ▁others , ▁have ▁performed ▁his ▁compos itions . ▁ ▁Hon ours ▁▁ 1 9 7 3 : ▁Thomas ▁Jefferson ▁Award ▁of ▁the ▁University ▁of ▁Missouri ▁▁ 1 9 9 7 : ▁Aust rian ▁Cross ▁of ▁Hon our ▁for ▁Science ▁and ▁Art , ▁ 1 st ▁class ▁▁ 1 9 9 8 : ▁D edic ation ▁of ▁the ▁" Er nest ▁Mann heim ▁Hall " ▁ ▁at ▁the ▁University ▁of ▁Kansas ▁City , ▁Missouri ▁▁ 2 0 0 2 : ▁Award ▁of ▁honor ary ▁doctor ate ▁of ▁the ▁University ▁of ▁Leipzig ▁on ▁his ▁ 1 0 0 th ▁birth day ▁ ▁Works ▁( selection ) ▁Zur ▁Log ik ▁des ▁kon kre ten ▁Begriff s . ▁München : ▁C . H . ▁Beck ’ sche ▁Verl ags hand lung ▁ 1 9 3 0 , ▁XI , ▁ 1 5 6 ▁S . ▁Die ▁Tr äger ▁der ▁Ö ff ent liche ▁Me in ung . ▁Studien ▁zur ▁So zi ologie ▁der ▁Ö ff entlich keit