 The largest library is the UCL Main Library, which is located in the UCL Main Building and contains collections relating to the arts and humanities, economics, history, law and public policy.The second largest library is the UCL Science Library, which is located in the DMS Watson Building on Malet Place and contains collections relating to anthropology, engineering, geography, life sciences, management and the mathematical and physical sciences.The Cruciform Hub contains books and periodicals in the subjects of clinical medicine and medical science.