American literature 27 Fiction 17 Biography 14 History 11 Evans, Homer (Fictitious character) 7 Private investigators 6 Psychology 6 Social life and customs 6 Developmental psychology 5 History and criticism 5 Social psychology 5 Adolescent psychology 4 Case studies 4 English language 4 English literature 4 Child development 3 Children 3 Description and travel 3 Psychophysiology 3 Art 2 Authors, American 2 Child Psychology 2 Child psychology 2 Civilization 2 Collectors and collecting 2 Country life 2 Dramatists, American 2 French literature 2 Grammar 2 History, Military 2