 The largest of the libraries, Robarts Library, holds about five million bound volumes that form the main collection for humanities and social sciences.The Thomas Fisher Rare Book Library constitutes one of the largest repositories of publicly accessible rare books and manuscripts.Its collections range from ancient Egyptian papyri to incunabula and libretti; the subjects of focus include British, Western and Canadian literature, Aristotle, Darwin, the Spanish Civil War, the history of science and medicine, Canadiana and the history of books.