Here’s some useful links to websites whose focus spans from medieval logic to theories of matter, from Euclid to Richard Rufus and beyond.

History of Pre-Modern Mathematics

Jens Høyrup’s webpage (primary sources and secondary literature on the history of mathematics)

Sources in the History of Algebra (by Albrecht Heeffer)

Projects

The Aristoteles Latinus Project (director: Lisa Devriese)

The Richard Rufus of Cornwall Project (general editor: Rega Wood)

Calculatores Project by Irene Binini

i² – The Impossible and the Imaginable by Graziana Ciola (ERC project on late-medieval semantics of impossibility and the roots of complex mathematics)

Specific Topics

Matters of Matter by Zita Toth

Potestas Essendi by Nicola Polloni

Logicalia Medievalia by Caterina Tarlazzi

Texts and Transmission

What’s New in the Medieval Philosophy Community

In medias PHIL by Robert Pasnau

Medieval Philosophy and Beyond