The Library of Congress Flickr Photo Stream
This photo stream includes images from the Library of Congress' massive collection, located on the public photo sharing site, Flickr. The stream includes Civil War images, historical newspapers, color 1930s/1940s photographs and news photos from the 1910s, plus much more. All of the photos are listed as having no known copyright restrictions, meaning that you can place them on your blog. Of course, you'll still want to attribute the photograph to the Library of Congress.
The U.S. National Archives Flickr Photo Stream
The National Archives photo stream is very robust and includes photographs and document images. You could dig around in this stream for a very long time. One of my favorite finds:
|We Can Do It! Created by the Office for Emergency Management. War Production Board. (01/1942 - 11/03/1945), Repository: Still Pictures Unit at the National Archives at College Park|
This site includes more than 12 million freely usable images. It is not restricted to historical images, although the National Archives also posts its images on this page. I have found this to be a useful site to get photographs of locations that I mention on my blog, such as this great photograph of Kansas City:
The bottom line is that if you have not taken a photo, always question whether or not you can use it free and clear. These photo sites will offer you some new options for adding visuals to your blog. And, if you're handy with a camera, think about contributing some of your photos to the greater good! What photo resource sites have you used?