As I re-read History of Highland Dress: A Definitive Study of the History of Scottish Costume and Tartan, Both Civil and Military, Including Weapons, by John Telfer Dunbar, I am going through the process of looking up the pictorial resources. Some of his sources have been viewed secondhand, and in our contemporary age, we can view digital primary sources that were not available when he was writing.

One source cited was a line drawing after Lucas de Heere. The image reviewed, listed as "The Savage Scotsman" at Wikipedia (https://commons.wikimedia.org/wiki/F..._Scotsman.jpeg), is part of the collection of watercolors Théâtre de tous les peuples et nations de la terre avec leurs habits et ornemens dive. One can see scans of this book at Ghent University Library online here: https://lib.ugent.be/viewer/archive....050%2C7689&cv=