Here are a few more links where you may find additional information:

The official website of the Standing Council of Scottish Chiefs.

Database of known Tartans.

An historic Kincaid landmark.

International Scottish newspaper.

A forum of Scottish topics.

All you ever wanted to know about kilts…

Tartan facts and history by the curator of the Scottish Tartans Museum in Franklin, NC.

The Scottish Tartans Museum in Franklin, NC.

The official website of the Scottish Tartans Authority.