Masson was the first European to see the ruins of Harappa, described and illustrated in his book Narrative of Various Journeys in Balochistan, Afghanistan and The Panjab.
Masson war der erste Europäer, der die Ruinen von Harappa sah und in seinem Buch Narrative of Various Journeys in Balochistan, Afghanistan and The Panjab beschrieb und illustrierte.