BIOGRAPHY & AUTOBIOGRAPHY 317 History 180 Histoire 149 General 146 HISTORY 125 Historical 91 Science & Technology 60 MUSIC 56 Composers & Musicians 48 LITERARY CRITICISM 48 SCIENCE 46 Literary 43 Politics and government 37 Politique et gouvernement 36 JUVENILE NONFICTION 34 Biographies 33 State & Local 33 Composers 31 Compositeurs 31 Biography & Autobiography 29 English, Irish, Scottish, Welsh 25 Biography 24 MEDICAL 24 SOCIAL SCIENCE 24 RELIGION 23 Medical 22 American 20 Physicists 20 Physics 20 Reference 20