BILDGEIST is a “visual journal of scientific illustrations, illuminated manuscripts, photographs, prints and artworks from the public domain”. The images are of various themes including astronomy, alchemy, mythology, cartography, anthropology, zoology, botany, and general curiosa. Users can filter the contents by period, categories and keyword tags.

Vintage Printable

Vintage Printable provides images that are believed to be on public domain or out of copyright. Most of the images are focused on vintage naturalist or scientific illustrations. Users can search or browse by different categories.

Museu d’Art de Catalunya Collection

The Museu d’Art de Catalunya, or MNAC in short, is a national museum located in Barcelona, Spain. The museum is known for its outstanding collections of Romanesque mural paintings and Catalan Modernism. Their digital collection contains more than 8,500 images of artworks from their collections. Users can browse the collections, search and narrow the results by classification, themes and period.

National Gallery of Art (NGA) Images

NGA Images is an online repository of digital images of the collections of the National Gallery of Art. The Gallery has one of the finest art collections in the world with works spanning from the Middle Ages to present day. Their strongest collection is the Italian Renaissance collection, which includes masterpieces from Raphael, Titian, Filippo Lippi and Giovanni Bellini. Through NGA Images, more than 37,000 digital images are available free of charge for download and use.

Rijksmuseum collections

The collection provides access to more than 125,000 paintings by Dutch artists, such as Rembrandt and Johannes Vermeer. Users can explore and search the entire collection, which is handily sorted by artist, subject, style and even by events in Dutch history. Each painting can be downloaded in high-resolution or view at close-up. The museum also provides an application, RijksStudio, to invite users to create their own masterpieces by downloading images of artworks or details of artworks in the Rijksmuseum collection and using them in a creative way.