Krugman the Keynesian: A critique of Paul Krugman from an Austrian School perspective.
New York Times - Paul Krugman: Economic issues, finance and international trade commentary appearing in The New York Times on Tuesday and Friday. Includes links to other articles, biography, photo and contact information. [Free access for a week]
Official Paul Krugman Web Page: Articles, columns and links.
The Great Debunker: A Newsweek article on Paul Krugman.
The Rich, the Right, and the Facts: Krugman article in American Prospect, "deconstructing the income distribution debate".
The Self-Organizing Economy: Review of Krugman's The Self-Organizing Economy.
The Spiral of Inequality: Krugman on the growth of inequality in America since the seventies.
Unofficial Paul Krugman Archive: Includes Krugman's essays, columns, details of his books, and links.
What happened to Asia?: Paul Krugman on the Asian Crisis.
Wikipedia - Paul Krugman: Profile of the economist and NYT columnist presents his achievements in the academic world, government and journalism. Includes bibliography of books he's written and links to collections of his columns.