Sorrentino, A. L'altra perla dell'India, 1980: t.p. (Padre Costanzo Giuseppe Beschi) p. 7, etc. (Constantine Joseph Beschi, Jesuit missionary and Tamil scholar)
His Aintilakkaṇat ton̲n̲ūl viḷakkam, 1984: t.p. (Kān̲sṭan̲ciyas Peski)
Wikipedia 24 March 2020: (Constantine Joseph Beschi (8 November 1680 – 4 February 1747), also known under his Tamil name of Vīramāmunivar, was an Italian Jesuit priest, missionary in South India, and Tamil language littérateur. He was born in Castiglione delle Stiviere (Italy) and joined the Jesuits in 1698. He was sent to Marudai in south India, arriving in 1711. He adopted Indian dress and customs and learned Tamil to a high level. From 1740 he lived on the Coromandel coast, in Trichur.) https://en.wikipedia.org/wiki/Constanzo_Beschi