Copyright-Free/Friendly Image Resources for Projects
by Mrs_Shorts
pics4learning
Pics4Learning
US Fish and Wildlife Services
Fish & Wildlife images
Smithsonian Institute
Mostly historical images
Library of Congress
American Memory historical images
New York Public Library Digital Collection
Vintage images
world atlas
Flag and map clip art
wpclipart
Clip art collection
nasa
NASA planetary photojournal
US Air Force
USAF photo gallery
wikimedia
Wikimedia Commons
Clipart etc
Mostly vintage illustrations
loc
Civil War photographs