From Walter Scott's Black & White Tartan Design to Famous Scottish Clans Chief Card Set
The tartan holds a very important place in Scotland's clan symbols, amidst clan motto and clan's heraldic icons. It's basically a unique pattern, called a "sett", in a structured series of coloured threads and traditionally, each Scottish clan has its own tartan.
The Scottish clans andtheir tartans : with notes : Free Download, Borrow, and Streaming : Internet Archive
Provides a history of ninety-six Scottish clans and includes the pattern of each clan's tartan