Other than Wikipedia (a.k.a. where to go for reliable sources)
Gale Business: EntrepreneurshipThis link opens in a new windowCovers all aspects of starting and operating a small business, including accounting, finance, human resources, management, marketing, tax, and more. Find over 1,000 sample business plans, eBooks, periodicals, directories, and legal forms.
Gale Business: Insights GlobalThis link opens in a new window440,000+ detailed global company profiles, market share reports, and notable corporate chronologies. Also includes encyclopedias for American, Global, and Emerging industries and markets.
Remember to check your local LRC or public library for scanning equipment.