National Institute of Studies and Research

Who it is for

Researchers working with Guinea-Bissau's archives, library, and ethnographic materials.

Search Biblioteca or Arquivo, then check Publications for research output.

United States · National

The Met's collection search, with open-access filters and public-domain image downloads; check the license before reuse.

FreePaintingOfficial

metmuseum.orgMultilingual

Netherlands · National

The Rijksmuseum's collection search, high-resolution images, and open data; open content is subject to its license terms.

FreePaintingOfficial

rijksmuseum.nlEnglish / Dutch

United States · Regional

The Art Institute of Chicago's collection search with public-domain works and open data; check each object page for its license.

FreePaintingOfficial

artic.eduEnglish