Historical essays

• Frank Ryan: A revolutionary life, Fearghal McGarry
• Irish Republicanism and Nazi Germany, Brian Hanley
• Rosamond Jacob and Frank Ryan, Leeann Lane
• The IRA's links with Nazi Germany, David O'Donoghue

Figures depicted in the film

• Frank Ryan
• Sean Russell
• Rosamund Jacob
• Eamon De Valera
• Edmund Veesenmayer
• Helmut Clissmann
• Hans Hartmann
• Leopold Kerney
  

Archival and secondary sources

• Bibliographical essay