A unicorn, holding the saltire (over the centre of which is a crown) supporting an escutcheon bearing a lion rampant, to either side and below are thistles, at the bottom in painted gold raised letters the inscription I R 5. Public Monuments and Sculpture Association(PMSA Work Ref.: EDIN0720)
Bartram, Graham (2004): British Flags & Emblems. Tuckwell Press. s. 10. ISBN 1-86232-297-X. Sitat: «The blue background dates back to at least the 15th century.» Jf. Flaginstitute.org. Arkivert fra originalen den 9. november 2012
Bartram, Graham (2001): "The Story of Scotland's Flags" (PDF), Proceedings of the XIX International Congress of Vexillology. York, United Kingdom: Fédération internationale des associations vexillologiques. s. 167–172.
Brown, K.M. et al., red. (2007–2019): The Records of the Parliaments of Scotland to 1707: 1385/6/4, St Andrews. Sitat: «ordinance made in council concerning the French army": Item, que tout homme, Francois et Escot, ait un signe devant et derrere cest assavoir une croiz blanche Saint Andrieu et se son jacque soit blanc ou sa cote blanche il portera la dicte croiz blanche en une piece de drap noir ronde ou quarree.»
«Saltire Memorial», The Scottish Flag Trust. Originaltekst: «Tradition says that near this place in times remote Pictish and Scottish warriors about to defeat an army of Northumbrians, saw against a blue sky a great white cross like Saint Andrew’s, and in its image made a banner which became the flag of Scotland.»
«The Saltire». The Court of the Lord Lyon. Arkivert fra [originalen] den 25. april 2018.
Bartram, Graham (2004): British Flags & Emblems. Tuckwell Press. s. 10. ISBN 1-86232-297-X. Sitat: «The blue background dates back to at least the 15th century.» Jf. Flaginstitute.org. Arkivert fra originalen den 9. november 2012
