Jamieson, John An Historical Account of the Ancient Culdees of Iona, and of Their Settlements in Scotland, England, and Ireland

Moore, T V. The Culdee Church: Or, The Historical Connection of Modern Presbyterian Churches With Those of Apost

Wylie, James Aitken History of the Scottish Nation: The Celtic Christianisation: Embracing the Epochs of Ninian, Patrick, Columba, Columbanus, and the Culdee Church

Stokes, Whitley The Martyrology of Oengus the Culdee: Félire Óengusso Céli Dé