A map, 1758, of William Lloyd's estate in the parish of Bodfari, together with a map and index, 1759, of his estate in the parish of Wrexham and the township of Minera, and a letter, 1808, concerning the enclosure of land in Minera. While not explicitly industrial, these maps were found with industrial papers, suggesting that they were used in identifying areas for mining and other industrial development.

Faculty papers with associated correspondence and some plans for the church of St Mary, Minera, 1909-1994.

Faculty papers with associated correspondence and some plans for the church of St Tudfil, Minera, 1935-1992.