"Provides more than 150 million documents from more than 7,000 sources and you can access the full texts of about 60% of the indexed documents for free (Open Access)."
Creative Commons (CC) is an international nonprofit organization dedicated to helping build and sustain a thriving commons of shared knowledge and culture.
"Openly Available Sources Integrated Search (OASIS) is a search tool that currently searches open content from 98 different sources and contains 362,952 records."
Disclaimer
Users are responsible for evaluating the license terms and/or copyright status for all resources provided in this guide. Library staff are available for guidance.