- Europeana: https://pro.europeana.eu/
- University of Bologna: https://www.unibo.it/en
- Ionian University: https://ionio.gr/en/
- Open University of Cyprus: http://www.ouc.ac.cy
- Aristotle University of Thessaloniki: https://www.auth.gr/en
- Bulgarian Academy of Sciences: http://old.bas.bg/bulgarian-academy-of-science
- Institute of Historical Research: http://www.eie.gr
- Museo d’Arte della città di Ravenna: http://www.mar.ra.it/eng/Home