Records of the Christian Faith Society are held at the Borthwick Institute for Archives.  The online catalogue gives the following account of the collection: "Originating as the Society for Conversion, Religious Instruction and Education of the Negro Slaves in the West India Islands, founded in 1788, the Society later became known as the Society for Advancing the Christian Faith in the West India Islands. The landed endowments of the Society consisted principally in an extensive estate at Brafferton originally purchased in 1694 by trustees acting under the will of Robert Boyle, who left a sum of money to be laid out on the propagation of Christianity among infidels. The estate was transferred to the Society after a Chancery dispute, and from 1794 the profits of the Brafferton property accrued to the Society. Most of the papers in this collection relate to the Brafferton estate, but there are some papers of more general interest concerning the work of the Society. The collection comprises deeds, accounts, rentals, legal papers and correspondence."

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Online catalogue. 

See also details of related records held at Lambeth Palace Library.

A number of more minor references are listed on A2A.