U radu Borba za investituru kao vrhunac borbe između svjetovne i crkvene vlasti obrađena je problematika sukoba crkvene i svjetovne vlasti u razvijenom srednjem vijeku. Rad obuhvaća razdoblje od vladavine Otona Velikog pa do Fridrika I. Barbarosse odnosno od otonovske dinastije pa sve do dinastije Hohenstaufovaca i njihovih razmirica s Katoličkom crkvom. U radu se analiziraju njihovi postupci, događaji, pretenzije, kao i postupci crkvenih službenika, odnosno papinstva. Rad nam govori kakvi su odnosi bili u srednjem vijeku, koji sukobi su obilježili razdoblje i što je poduzeto da bi se spriječili sukobi. Kroz napisano, možemo vidjeti kakve su posljedice ti sukobi ostavili na današnjicu.In this work Investiture controversy as top of fight between secular and church authorities, are analyzed books that talk about history of Christianity and his chronicle. They processed foundation till nowadays, and for this work are use data from the medieval period. The work covers periods from rule of Otto I. till the Frederick I. or from Ottonian dynasty till the dynasty of Hohenstaufen and their’s mutual proportions with Christianity’s Church. The work analyzes their actions, events, pretensions and procedures church officials, and the Papacy. This work are telling us what was the relationship in middle ages, as the conflicts that marked period and what is taken to prevent conflicts. Trough the written, we can see what was result from this conflicts left on nowadays
