Symbolic image - Potentially arsenic-contaminated books are stored safely at the University and State Library (ULB).https://www.ulb.uni-bonn.de/en/news/precautionary-measure-historical-books-in-safekeeping/ulb_vorsichtsmassnahmen.jpg/viewhttps://www.ulb.uni-bonn.de/en/news/precautionary-measure-historical-books-in-safekeeping/ulb_vorsichtsmassnahmen.jpg/@@images/image-1200-67695ead8b88512298eb2cb3f7433c44.jpeg
Symbolic image - Potentially arsenic-contaminated books are stored safely at the University and State Library (ULB).
