As part of his “Visual Explanations: Making ideas clear and Accessible with Images” workshops, Bruce Wolcott maintains a pretty exhaustive list of websites that provide free/Creative Commons/open source images. By popular demand, we are happy to provide a reference to Bruce’s document, hosted in his OneDrive.
Click here to see Bruce’s list of free, open-source images: https://goo.gl/bo0YQS
Happy imaging!
Last Updated February 24, 2018