Filioque
Authority
Avignon Papacy (1309-1377)
Joan of Arc and The 100 Years War (1337-1453)
Scholasticism (1100-1517)
Thomas Aquinas (1225-1274)
Monasticism - Benedictines (Formed 529)
Franciscans (Formed 1209)
https://www.saintathanasiusfc.com/
Further and Referenced Resources:
Church History in Plain Language by Bruce Shelley
Church History Lectures by Ryan Reeves on YouTube
The Calvinist International
Minor Correction: Cathari thinking resurfaced in the 19th century