Paperback book `Somerled and the emergence of Gaelic in Scotland` by John Marsden.
History of Somerled and a `proposal of his importance as the one personality who, more than any other, represents the first fully fledged emergence of the medieval Celtic-Scandinavian province from which the Gaelic Scotland of today is directly descended.`
Newspaper article about Louis Albert Necker of Geneva.
Article about Necker who was a student at Edinburgh University in the early 1800s and produced the first geological map of Scotland. He visited Tiree between 1806-8 while engaged in geological field work.