"The NOAA collection includes thousands of weather and space images, hundreds of images of our shores and coastal seas, and thousands of marine species images ranging from the great whales to the most minute plankton. "
For information on how to credit the NOAA and the photographers appropriately click here.
"NYPL Digital Gallery provides free and open access to over 700,000 images digitized from the The New York Public Library's vast collections.
Some of the images in the Digital Gallery may be subject to third party rights such as copyright and/or rights of privacy/publicity. Before using any of these images please review the Library's Terms and Conditions.
Database of over 7,000 historical U.S. and Canadian advertisements.
"For [research, teaching, and private study] purposes under Fair Use, you may reproduce (print, make photocopies, or download) materials from this web site without prior permission, on the condition that you provide proper attribution of the source in all copies. "
"it is AICT's goal to offer teachers and students absolute freedom to use these image resources in any application that is both educational in intent and non-commercial in nature, users may download image files from the AICT website pages, or may link directly to individual image files on this site."