i links

• http://www.pro.gov.uk/
  Public Record Office di Kew (Londra).
  
  
• http://www.iwm.org.uk/
  Imperial War Museum di Londra.
  
  
• http://www.nara.gov/
  
  National Archives and Records Administration di Washington.
  
  
• http://gopher.nara.gov:70/1/inform/guide/index
  
  Index to the Guide to Federal Records in the National Archives of the United States.
  
  
• http://www.dhm.de/
  Museo storico germanico di Berlino.