If you are planning to show copyright images within the confines of your classroom then your usage more than likely falls within the scope of educational “fair use.” Mind you, more and more educators are making their (or their students) presentations available online, and this practice raises some important copyright issues. If you make your PowerPoint publicly accessible on the Internet without the express written permission of the authors of the copyrighted images,
then you have most likely infringed on copyright protection.

To help you avoid infringing on copyright protection, we have prepared an extensive list of Internet sources for public domain images, with an eye towards the humanities. Please check individual images you find at these sites to determine if there are any no restrictions on usage :

American Memory (Library of Congress)
http://memory.loc.gov/ammem/index.html

• America from the Great Depression to World War II
  http://memory.loc.gov/ammem/fsowhome.html
• Civil War Photographs
  http://memory.loc.gov/ammem/cwphtml/cwphome.html
• Daguerreotype Portraits and Views 1839-1864
  http://memory.loc.gov/ammem/daghtml/daghome.html
• Presidential Portraits
  http://lcweb2.loc.gov/ammem/odmdhtml/preshome.html

Art Images for College Teaching
http://arthist.cla.umn.edu/aict/index.html

Archival Research Catalog (National Archives)
http://www.archives.gov/research/arc/index.html

Art & Architecture (Art Serve)
http://rubens.anu.edu.au/

Creative Commons
http://creativecommons.org/

Department of Interior Photo Library
http://www.doi.gov/photos/gallery.html

Discovery School
http://school.discovery.com/clipart/

Digital Library System
http://images.fws.gov/

Environmental Education System
http://web.centre.edu/enviro/Photos_files/Photos.htm

Flickr
http://flickr.com

FreePhoto.com
http://www.freefoto.com/index.jsp

FreeImages.com
http://www.freeimages.com/photos/

Free Stock Photos
http://www.freeimages.co.uk/

Usa.gov
http://www.usa.gov/

Geek Philosopher
http://geekphilosopher.com/MainPage/photos.htm

Graphic Maps.com
http://www.graphicmaps.com/clipart.htm

Great Images in NASA
http://grin.hq.nasa.gov/

Image After
http://www.imageafter.com/

Images of American Political History
http://teachpol.tcnj.edu/amer_pol_hist/

Map and Aerial Photography
http://libweb.uoregon.edu/map/

Metropolitan Museum of Art
http://www.metmuseum.org/

National Archives & Records Administration
http://www.nara.gov

• Picturing the Century: 100 Years of Photography
  http://www.nara.gov/exhall/picturing_the_century/home.html

New York Public Library Digital Gallery
http://www.nypl.org/digital/

Pics for Learning
http://pics4learning.com/

Public Domain Images for Use in Multimedia Projects and Web Pages
http://mciunix.mciu.k12.pa.us/~spjvweb/cfimages.html

Public Domain Media
http://web4j1.lane.edu/libraryservices/mediainst/graphicsguide.html

Social Science Data Lab
http://socsci.colorado.edu/GIF/

U.S. Air Force Link
http://www.af.mil/photos/

U.S. Army Corps of Engineers
http://images.usace.army.mil/main.html

U.S. Department of Defense (multimedia)
http://www.defenselink.mil/multimedia/

U.S. Federal Government Public Domain Images
http://stellar-one.com/public/us_federal_government_public_domain_images.htm

U.S. Navy Images
http://www.history.navy.mil/branches/org11-2.htm

Wikipedia Public Domain Image Sources
http://en.wikipedia.org/wiki/Wikipedia:Public_domain_image_resources

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