Two interesting Anglican Church Missionary Society documents

Two interesting Anglican Church Missionary Society documents, 'The Mission Field of Metlakahtla', 'From 1857 to 1869' and a second document dated 'From 1869 to the end of 1873', relating to the work of William Duncan and the Rev R.A. Doolan in British Columbia amongst the Tsimsian and other North West Coast peoples, 19th century. Provenance: From a private Northamptonshire estate.