This page lists recommended collections of images with licenses allowing use in your work. Be sure to read and comply with the specific license for each image you find.
Public Domain
If an image is in the public domain, you may use it without permission of a copyright holder.
Creative Commons Licenses
Images with Creative Commons licenses allow certain types of re-use without asking permission from the copyright holder.
The 6 different Creative Commons licenses tell you what you can do for each type of license. For example, some CC licenses allow you to remix and use commercially, and others don't.
Attribution
When you use free images like these, it's still a good idea to provide attribution, even if it's not required.
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Photo by Sami Ullah on Unsplash
Paris Musées
Online collection portal to thousands of artworks from 14 City of Paris museums. Over 150,000 images are identified as part of the public domain and available for download and usage.
Rijksmuseum
Images are searchable and downloadable – the item details (acquisition and rights section) will indicate whether the work is in the public domain.
Smithsonian Open Access
Download, share, and reuse millions of the Smithsonian’s images -- both 2D and 3D digital items – from across the Smithsonian’s 19 museums, nine research centers, libraries, archives, and the National Zoo.
Vienna City Library
Access historical Viennese address books, travel guides, manuscripts from Johann Strauss, Hugo Wolf and more. Digital objects have a CC 1.0 license (public domain). Only available in German.
Wien Museum
In addition to objects related to the city’s history and daily life, the museum has a significant collection of Viennese art. "Open Content" includes all images labelled with a download and share symbol or found using the search function “Open Content”. You can share, reuse, and modify these images for all purposes without asking for permission (including commercial use).