Author: Angus McLellan, source: Modified by me from NASA Visible Earth image http://veimages.gsfc.nasa.gov//1140/S1999207130258.png archive copy at the Wayback Machine

From English wikipedia, [1]. Data from Clancy, T. O., "Philosopher King: Nechtan mac Der Ilei," Scottish Historical Review 83 (2004): 135–149.

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