Odgojitelj
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- Author: Klement Aleksandrijski, Marijan Mandac, Clement of Alexandria
- Language: Croatian
- Year: 2006
Origen: Počela
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- Author: Origen, Marijan Mandac (prev.)
- Language: Croatian
- Year: 1985
- Author: Marijan Mandac, Aurelije Augustin
- Language: Croatian
- Year: 2009
- Author: Atanazije Veliki, Marijan Mandac
- Language: Croatian
- Year: 1980
Duh Sveti
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- Author: Bazilije Veliki, Marijan Mandac, Basil of Caesarea, Basilius Magnus
- Language: Croatian
- Year: 1978
- Author: Marijan Mandac, Gregorius Nazianzenus
- Language: Croatian
- Year: 2005
Velika kateheza
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- Author: M. Mandac, Nyssenuis Gregorius, Grgur iz Nise
- Language: Croatian
- Year: 1982