Browse Items (5 total) Tags: Eclipse diagrams Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Tractatus de sphaera, Algorismus, Computus lunaris Circa 1256-1270 Prenosticatio and other texts Circa 1488-1500 De philosophia mundi, Expositio Hugonis de Evangeliis Circa 1150 Calendarium and Ephemerides 1500 Algorismus, Tractatus de sphaera Circa 1225-1275 Sort by: Title Creator Date Added Output Formats atom, dcmes-xml, json, omeka-xml, rss2