D. E. Easson

Charters of the abbey of Inchcolm

D. E. Easson, Angus Macdonald, 1938 .

Medieval religious houses in Scotland with an appendix on the houses in the Isle of Man

Ian Borthwick Cowan, David Edward Easson, I. Cowan, 1977, Medical History.

Charters of the abbey of Coupar Angus

D. E. Easson, 1947 .