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Books about Dewavrin:
A mots decouverts: Conversations avec Antoine Cassan, Hugues Dewavrin, Daniel Seguin (French Edition) by Francois Leotard (1987)
Wiki information Dewavrin:
Andre Dewavrin (9 June 1911, Paris – 20 December 1998) was a French officer who served with Free French Forces intelligence services during World War II. He was born in Paris, the son of a businessman. He graduated as an army engineer and in 1938...
The fictional representation of Colonel Passy.