||History of the Church of the Holy Trinity, Chatham, Ontario, 1875-1975
||Blackwell, Norman T
Blackwell, Lorna Wood
||N. T. Blackwell
|Blackwell, Norman T, and Lorna Wood Blackwell. History of the Church of the Holy Trinity, Chatham, Ontario, 1875-1975. (Chatham, Ontario: N. T. Blackwell, 1975?).|
Available at the Family History Library.