Book 56GRAD OSIJEK U OBRANI HRVATSKOGA ISTOKA
- Title in English: THE CITY OF OSIJEK IN THE DEFENSE OF THE CROATIAN EAST
- Editor: Miljenko Brekalo
- Series: PROCEEDINGS – Book 56
- Publisher: Ivo Pilar Institute of Social Sciences
- Place of publication & number of pages: Zagreb, 2019 – 240 p.
- ISBN 978-953-7964-65-8
