Mouhot mentions in his journals that his contemporary Father Charles Emile Bouillevaux, a French missionary based in Battambang, had reported that he and other Western explorers and missionaries had visited Angkor Wat and the other Khmer temples at least five years before Mouhot.
Mouhot skriver i sine journaler at hans samtidige, fader Charles Emile Bouillevaux — en fransk missionær med base i Battambang — havde rapporteret at han og andre vestlige opdagelsesrejsende og missionærer havde besøgt Angkor Wat og de andre khmertempler mindst fem år før Mouhot.