Filtering by: Date 1858 Remove constraint Date: 1858 Format (Original) Books Remove constraint Format (Original): Books Language French Remove constraint Language: French Subject Holy Roman Empire--History--Hohenstaufen, 1138-1254 Remove constraint Subject: Holy Roman Empire--History--Hohenstaufen, 1138-1254 Subject Holy Roman Empire--History--Interregnum, 1254-1273 Remove constraint Subject: Holy Roman Empire--History--Interregnum, 1254-1273