Librarians at Rutgers University Libraries created this very useful and comprihensive site.

“This Webguide lists stock and commodity exchanges, including those dealing in futures, options, and derivatives, as well as sources for market and stock prices and reports.”

Open Access

https://libguides.rutgers.edu/stocks

Provides access to the full-text regulatory material, litigation of SEC enforcement actions, the EDGAR Database of company filings, and a history of the SEC.

Open Access

https://www.sec.gov/