Arber's Story of the Pilgrim Fathers (London, 1897), the two last containing excerpts from the leading sources.
The theology of the Indian Syrian Christians is of a Nestorian type, and Cosmas Indicopleustes (6th century) puts us on the right track when he says that the Christians whom he found in Ceylon and Malabar had come from Persia (probably as refugees from persecution, like the Huguenots in England and the Pilgrim Fathers in America).
The Pilgrim Fathers introduced apples to the New World, planting pips that they had taken with them from England.