Britannica now has clip art! Be sure to filter for Only Clip Art - quest.eb.com
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Metropolitan Museum of Art
New York Public Library
Library of Congress
USNationalArchives
US Department of Agriculture
L.A. County Museum of Art
British Library
Rijks Studio
National Gallery of Art
Getty Images
The Walters Art Museum
NASA Images
NOAA Images
Be sure you are searching by Open Access, Open Content or Public Domain images ONLY.
