1. 561.b.2, 7(77) Reference (shelfmark): 561.b.2, 7(77) Title: Excavations, 1868 - Porta Chiusa, shewing specus of Aqueduct Anio Vetus(?) under the southern jamb. Photographer: Unknown Collection Area: Printed Collections Languages: Not applicable Date Range: 1868 Extent: 1 item