Filtering by: Classmark HRB Historiography - Studies - Medieval History Remove constraint Classmark: HRB Historiography - Studies - Medieval History Author Speer, Andreas. Remove constraint Author: Speer, Andreas. Author Wirmir, David. Remove constraint Author: Wirmir, David. Subject Civilization, Medieval -- 14th century -- Congresses. Remove constraint Subject: Civilization, Medieval -- 14th century -- Congresses.