Michela Malpangotto　: La critique de l’univers de Peurbach développée par Albert de Brudzewo a-t-elle influencé Copernic? Un nouveau regard sur les réflexions astronomiques au XV^e siècle.

Noël Golvers: A note on the ‘machine of Roemer’ in late-17^th century China, Antoine Thomas, SJ, and the first contacts of Ferdinand Verbiest, SJ, with the Jesuits in Paris.

Sonja Brentjes: Narratives of knowledge in Islamic societies: what do they tell us about scholars and their contexts?

Rinat M. Nugayev: The Ptolemy – Copernicus transition: intertheoric context.