6 History 2 Bibliography 2 Italian literature 2 Prohibited books 1 Arabic philology 1 Blood 1 Booksellers' catalogs 1 Catholic Church 1 Chronology, Islamic 1 Church music 1 Civilization, Medieval 1 Indo-European languages 1 Islam 1 Italian poetry 1 Kurds 1 Linguistics 1 Natural history 1 Oriental philology 1 Periodicals 1 Relations 1 Russian language 1 Science 1 Slavic languages 1 Transfusion