Unconventional and free stock images

A list of unconventional and free stock images by Mel Choyce in her CSS-Tricks article:

• British Library (unsplash)
• New York Public Library
• The State Library of New South Wales (flickr), this one is very good for presentations!
• Library of Congress (unsplash)
• Library of Congress
• National Library of Ireland (flickr)
• Birmingham Museums Trust (unsplash)
• National Museum of Asian Art
• Met
• Art Institute of Chicago
• NASA
• Centers for Disease Control and Prevention (e.g. Corona virus visualizations)
• Open Parks Network (nature photos)

Added later (not mentioned in Mel´s article):

• Old Book Illustrations, wich for example Robin Rendle is using in his essay on newsletters.
• Stanford Libraries Data Visualization, old visualizations which date back into 18th century.
• openverse.org