^Da "Andean Air Mail & Peruvian Times - Volume 12", 18 gennaio 1952; cit: "Eight of the thirteen injured are in serious condition at the Merida Hospital. Jacques Poincenot, 29, one ef a group of eight French mountain climbers, lost his life in the Fitzroy River, southern Argentina, while engaged in preliminary exploration of the approaches to Mount Fitzroy elevation 3,375 meters [...]"
^Da The Alpine Journal vol. 59, 1953. P. 468; cit: "On December 27, 1951, a major tragedy overtook the expedition: Jaques Poincenot, while attempting to ford [...]"