Entrepreneurship Web sites
Entrepreneur's Reference Guide for Small Business Information - Library of Congress
Best of the Web Directory: Franchise Opportunities
Startup Journal - Wall Street Journal center for entrepreneurs
The 100 .edu sites every entrepreneur should read
Industries
Current Industrial Reports - U.S. Census Bureau
IW - Industry Week
Patents
Intellectual Property Mall - Franklin Pierce Law Center
Thomson & Thomson - intellectual property information
U.S. Patents - includes U.S. Patents Manuel Classifications
United State Copyright Office - Library of Congress
United States Patent and Trademark Office - U.S. Dept. of Commerce