Middle Ages
15th century
Translation
Climatology
Family trees
Angles
Musical instruments
Documents of Germany
Kalender of Shepherdes | Nicholas Oresme
Spanish language
Seven liberal arts
Diagrams by century made
21st century diagrams
15th century diagrams
Medieval technical drawings
De sphaera mundi
Beatus de Facundus | Ancient diagrams
Villard de Honnecourt
Catalan Atlas
15th century technical drawings |
