Bonjour,

Je ne peux répondre à propos des documents officiels que vous recherchez, mais j'ai trouvé ceci, (site du TIME Mag) :

Dear TIME-Reader: ONE day when London Bureau Chief André Laguerre was a Free French poilu on sentry duty at General Charles de Gaulle's London headquarters during the Battle of Britain, he dropped a note in the general's Suggestion Box. The note told how Free French press relations could be improved. De Gaulle sent for Laguerre and asked if he could improve them. "Oui, mon general," said Laguerre. Thus he became press officer for the Free French and, when the war ended, head of the press department of the new French government. His immediate superior and last boss before he... La suite est payante, désolé...

Bonne chance pour vos recherches,
Laurent