September 1939
The Polish Underground State (September 1939 – July 1945) – The Polish Underground State in Wielkopolska (September 1939 – July 1945)

A two-sided brochure containing historical commentary, diagrams and maps, intended for teachers and students. It was distributed free of charge during the celebration of the unveiling of the monument to the Polish Underground State and the Home Army in Poznań.

Publishers: Institute of National Remembrance, President of Poznań, Social Committee for the Monument Construction of the Polish Underground State and the Home Army in Poznań, World Union of the Home Army in Wielkopolska.