General 39 History 18 HISTORY 17 FICTION 16 Norwegian language 15 European 13 FOREIGN LANGUAGE STUDY 11 Histoire 11 BIOGRAPHY & AUTOBIOGRAPHY 9 Grammar 9 Historical 9 Murder 9 Norwegian 9 Scandinavian Languages (Other) 9 Investigation 8 LITERARY CRITICISM 8 Norvégien (Langue) 8 PSYCHOLOGY 8 SOCIAL SCIENCE 8 FAMILY & RELATIONSHIPS 7 Norwegian Americans 7 Aspect social 6 DRAMA 6 Emigration and immigration 6 POLITICAL SCIENCE 6 Social aspects 6 TECHNOLOGY & ENGINEERING 6 Civilisation 5 Civilization 5 Enquêtes 5