1. 561.b.2, 6(74) Reference (shelfmark): 561.b.2, 6(74) Title: Churches and monasteries - Monastery of SS. Martin and Sylvester. Construction of wall, A.D. 858-867, and the lower part earlier. Photographer: Unknown Collection Area: Printed Collections Languages: Not applicable Date Range: c 1870 Extent: 1 item