Clothing of the Ancient Celts: Celtic costume from Ancient to 1800. Also textile weaving, dyes, hair jewelry, and further resource links.
Historic Highlanders: Covering Highland society from 1314 to 1746. Produces newsletter "The Highlanders' Ceilidh". Information on spinning, dyes, clothing, weaponry, and medicine. Instructions for creating a great kilt.
Kilt Pleating 101: Two photo series on the pleating of kilts plus textual instructions. Indexed list of Celtic links.
Lothene: The Plaid: Article on the tartan's history with instructions on how to wrap what became known as the kilt. Linked FAQ also includes some pointers for Viking costume.
Peter MacDonald, Tartan Design and Consultation: Specialises in all aspects of tartan, Highland dress, and related subjects.
Real Men Wear Kilts: Devoted to the wearing of the kilt. Jokes, photographs, and articles.
Tartan: Links collection and article on the history of tartan.
Tartans of Scotland: The register of all publicly known tartans. Includes Irish and North American tartan patterns too.
TartanWeb: Wearing the Great Kilt: How to pleat and wrap the great kilt, also known as the great plaid or belted plaid, the breacan feile, feileadh mhor, or philamore.
The Evolution of the Kilt: An extensive breakdown of the kilt from its beginnings to its portrayal today.