Prof. Mortel: Mausoleum of Empress Galla Placidia, 425-50; Ravenna (2)
Prof. Mortel: Mausoleum of Empress Galla Placidia, 425-50; Ravenna (3)
Prof. Mortel: Relief above the entrance to the Mausoleum of Galla Placidia, 425-50; Ravenna
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (2)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (3)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (4)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (5)
Prof. Mortel: Mosaic showing St. Lawrence; Mausoleum of Galla Placidia, 425-50; Ravenna (2)
Prof. Mortel: Mosaic showing St. Lawrence; Mausoleum of Galla Placidia, 425-50; Ravenna (1)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (6)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (7)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (8)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (9)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (10)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (11)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (12)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (13)
Prof. Mortel: Mosaic decoration of the interior of the tower of the Mausoleum of Galla Placidia, 425-50; Ravenna
Prof. Mortel: Mausoleum of Galla Placidia, 425-50, Ravenna (1)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (15)
Prof. Mortel: Mausoleum of Galla Placidia, 425-50, Ravenna (2)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (16)
Prof. Mortel: Mausoleum of Galla Placidia, 425-50, Ravenna (3)
Prof. Mortel: Alabaster window in the Mausoleum of Galla Placidia, 425-50; Ravenna (2)
Prof. Mortel: Mausoleum of Galla Placidia, 425-50, Ravenna (4)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (17)
Prof. Mortel: Mosaic decoration of the Mausoleum of Galla Placidia, 425-50; Ravenna (18)
Prof. Mortel: Mausoleum of Galla Placidia, 425-50, Ravenna (5)
Prof. Mortel: Alabaster window in the Mausoleum of Galla Placidia, 425-50; Ravenna (1)
Prof. Mortel: Lunette of the Good Shepherd in the Mausoleum of Galla Placidia, 425-50; Ravenna (2)