The best library resource for finding financial statements is Mergent Online. You can download a range of financial statements from any number of public companies by year or quarter.
The following resources contain relevant information on US and/or International industries. Many of these resources contain downloadable reports.
A global market research database that provides statistics, analysis, reports, surveys, and breaking news on industries, countries, and consumers worldwide. Covers consumer and industrial market details from over 200 countries and 27 industries with historic data from 1997.
The following resources provide journal and trade publication articles related to business and its many facets (accounting, marketing, management, finance, etc.). Most articles are available as full text.
In addition to the subject-specific resources listed above. You can also try one of these resources that search content across many different disciplines including business.