The U.S. National Archives Flickr

The National Archives and Records Administration (NARA) or National Archives is a “record keeper” of the United States Federal government. Besides contributions from the National Archives, the Flickr account contains photographs from the National Archives and the federal photography project called Project DOCUMERICA (1971 – 1977). The project was initiated by the Environmental Protection Agency (EPA) to capture the environmental problems and achievements of that era.

Wikimedia Commons

Wikimedia Commons is a “media file repository” of public domain and freely-licensed educational media content, including images, sounds and video clips. Launched on 7 September 2004 by the Wikimedia Foundation, Wikimedia Commons uses the “wiki-technology” that is the same technology used in Wikipedia. Wikmedia Commons also aggregates files from other projects, including Wikipedia, Wikibooks, Wikivoyage, Wikispecies, Wikisource, and Wikinews. As of October 2015, there are more than 28.7 million files in more than 120,000 collections. Users can conduct a keyword search or browse the content by topic, type, author, location, license and source.

National Media Museum Flickr Commons

The National Media Museum is situated in the UNESCO city of film, Bradford in United Kingdom. It houses more than 3.5 million items in their collections that are of cultural significance to photography, cinematography and television. The museum contributed about 580 photographs to Flickr Commons, which include photography equipment, famous photographers and writers, British Royal Family, significant events and world’s first moving pictures. Each image includes commentary provided by the museum.

LIFE Photo Archive

The LIFE Photo Archive is a comprehensive archive of photographs and etchings that are produced or owned by the defunct LIFE Magazine, dating back to the 1750s. Captured by LIFE photographers and photo journalists like Alfred Eisenstaedt and Margaret Bourke-White, the photographs documented important events in the world, evolution of fashion and lifestyles and the lives of celebrities and everyday people. According to Google, most of the photographs have never been published. Started in 2008, users can search for millions of images from the LIFE archive, which contains about 10 million photographs. Users can do a keyword search by adding “source:life” to any Google image search. For example, “vietnam war source:life”. Alternatively, users may browse by different categories.

Wallace Live

The Wallace Collection is a national museum in London that houses works of art collected in the 18th and 19th centuries by the first four Marquesses of Hertford and Sir Richard Wallace, the son of the 4th Marquess. Through Wallace Live, users can search for images of the works of art.

Callisphere by UC Libraries

Callisphere is “the University of California’s free public gateway to a world of primary sources”. Powered by the California Digital Library (CDL), the platform currently have more than 230,000 images, contributed by 139 archives, libraries, museums, and historical societies in California. Users may search or explore the images across different themes or topics.

NYPL Digital Collections

The NYPL Digital Gallery provides access to over 800,000 images digitized from the library’s collections, which spans across different mediums, subjects and time periods. The collections include illuminated manuscripts, historical maps, vintage posters, rare prints and photographs. The collections can also be browse through different categories – Arts & Literature, Cities & Buildings, Culture & Society, History & Geography, Industry & Technology, Nature & Science, and Printing & Graphics.

National Gallery (London) Paintings

The National Gallery in London contains the national collection of Western European paintings from the 13th to the 19th centuries, with works by Botticelli, Leonardo da Vinci, Rembrandt, Renoir, Van Gogh and more. The collection can be filtered by subjects, themes, artists, styles and timeline. Subjects include Travel, Still Life & Objects, People & Costume, Land, Sea & City, Work & Leisure, Seasons & Weather, Religious & Biblical, Mythological, Plants & Animals and Historical.