U ime naroda! Sudski proces profesorima i bogoslovima đakovačkog sjemeništa 1959./1960.

Izvori za povijest zdravstva Osijeka i Hrvatske 1865. - 1938.

Profesori osječkih gimnazija 1855. – 1945.

Osječka groblja

The book is deeply rooted in the local history and culture of Osijek, with an emphasis on cemetery motifs that serve as a metaphor for memory, death, and disappearance.

Osnove saobraćajnog prava

Ogledi o društvenim procesima i institucijama

The second book by the authors Petković and Kregar, which is intended for students preparing for exams. The first was published under the title "Review of the main systems of sociological theories".

#17 Rasvetljavanje i dokazivanje javnih neprijateljskih istupanja