Centenary of a Radical Kirk Minister by Dr Stephen Clackson, The Orcadian. 6 March 2003. [1]
Sanday Church History. by Rev Alexander Goodfellow, W.R. Mackintosh (Kirkwall). 1912.
Two Old Pulpit Worthies by Rev Alexander Goodfellow, W.R. Rendall (Stromness). 1925.
An Orkney Anthology - The Selected Works of Ernest Walker Marwick, Vol. 1. edited by John D.M. Robertson, Scottish Academic Press (Edinburgh). 1991. ISBN0-7073-0574-8