1. A building stone assessment of sandstone in Iona Nunnery and at Carsaig quarry on Mull;Albornoz-Parra,2015
2. Mullite for structural, electronic, and optical applications;Askay;Journal of the American Ceramics Society,1991
3. Metamorphic history and geochemistry of the Valla Field Block (Unst) and the Lamb Hoga Block (Fetlar) Shetland;Aziz,1984
4. The Geology of Staffa, Iona and western Mull;Bailey,1925
5. Tertiary and post-Tertiary geology of Mull, Loch Aline and Oban;Bailey,1924