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Help finding OER

iconLibrary staff would be happy to help find suitable resources for your courses. Please contact Ask the Library for assistance.

Key OER repositories (find a variety of materials)

Open book collections


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  • OpenStax 
    Search for textbooks that are peer-reviewed by educators to ensure they are readable and accurate
  • Milne Open Textbook 
    Open access textbook publishing initiative established by State University of New York libraries and supported by SUNY Innovative Instruction Technology Grants
  • Internet Archive: Open Source Text Books
    A range of multidisciplinary open source textbooks
  • LibreTexts 
    Provides a range of multidisciplinary open source textbooks
  • Intech Open
    Read, share and download more than 5,000 peer-reviewed Open Access books

Other types of OER

Use the Creative Commons meta search tool CC Search to search for a wide range of openly licensed images, audio and videos:

Find videos

Find images

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  • Google Images
    Use the "Usage rights" option under "Tools" to refine your results to Creative Commons licensed images.
  • NASA image galleries
    According to their 'Media Usage' page, images and audio are "...generally not copyrighted. You may use this material for educational or informational purposes..."
  • Metropolitan Museum of Art CC Search
    Public domain images
  • New York Public Library Digital Collections
    Explore prints, photographs, maps, manuscripts, streaming video, and more. Images and content include statements on how you can reuse them
  • Open clip art
    Clip art in the public domain
  • Pexels
    All photos are in the public domain
  • Photos for Class 
    Allows access to images that are available for educational purposes
  • Pixabay
    Over 380,000 public domain photos, vectors and art illustrations
  • Unsplash
    Free high-resolution photos in the public domain
  • Moose Lake Cartoons
    Over 980 free cartoons separated into subjects
  • The Noun Project
    An extensive collection of iconography created by a community of designers from 120+ countries
    Free stock photos
  • WebDonuts
    Daily web comics with a Creative Commons licence
  • Wikimedia Commons
    A collection of over 79 million media files

Find and create diverse images

Find audio

Find teaching resources