History 19 History and criticism 6 Antiquities 4 Excavations (Archaeology) 4 Communication 3 Economic conditions 3 Law 3 Portuguese language 3 Portuguese poetry 3 Social aspects 3 BUSINESS & ECONOMICS 2 Cataloging & Classification 2 Censorship 2 Description bibliographique 2 Descriptive cataloging 2 Economic history 2 General 2 General International Standard Bibliographic Description 2 LANGUAGE ARTS & DISCIPLINES 2 Language 2 Library & Information Science 2 Motion pictures 2 Nobility 2 Normes 2 Poésie portugaise 2 Political aspects 2 Portuguese literature 2 Portuguese philology 2 Prehistoric peoples 2 Soccer 2