Literature:
Andrew Crumey's "Scottish Writers" Page
History of Scottish Literature
Slainte's Gateway to Scottish Authors
Bibliography of Scotland
Rampant Scotland's Literature
Scottish Poetry Library
STELLA

History:
Scottish History Timeline (detailed)
Scottish History Timeline (brief)
The Jacobite Rebellion
The Highland Clearances
History of the Highland Clearances, a Timeline
Short Biography of Bonnie Prince Charlie

Language:
Failte, A Guide to Gaelic Scotland
The Scuil Wab
Wir Ain Leid
Scottish Language Resource Centre

Politics:
Scottish Politics Pages
The Scot Online
The Scottish Parliament Website

General:

Scotland Photo Gallery
Waulking and Waulking Songs

Contemporary Voices
Some Eighteenth-Century Attitudes about the Scots
The Highland Clearances

Authors
James Boswell
Robert  Burns
Robert Fergusson
Tom Leonard
Norman MacCaig
Hugh MacDairmid
Duncan Ban Macintyre
Sorley MacLean
Alasdair MacMhaighstir Alasdair
Mairi Nic a Phearsain
Edwin Muir
Uilleam Ros
Sir Walter Scott
Tobias Smollett
Robert Louis Stevenson
Derick Thomson
Irvine Welsh
    Irvine Welsh on Trainspotting