History and criticism 23 History 15 Private investigators 14 Detective and mystery stories, English 13 LITERARY CRITICISM 13 English fiction 11 Criticism and interpretation 10 English, Irish, Scottish, Welsh 10 European 10 Characters 7 Authors, Scottish 6 English literature 6 Sherlock Holmes 6 Authors, English 5 Characters and characteristics 5 Spiritualism 5 General 4 Influence 4 Detective and mystery stories 3 Fiction 3 Influence (Literary, artistic, etc.) 3 Knowledge and learning 3 Learning and scholarship 3 Physicians 3 Psychology 3 Science fiction, English 3 Short story 3 Social aspects 3 Spiritualists 3 Adventure and adventurers 2