History 33 Frontier and pioneer life 19 Outlaws 5 Wars 5 Description and travel 4 Indians of North America 4 Race relations 4 more ... Travel 4 Women 4 African Americans 3 American literature 3 First person narrative 3 Frontier and pioneer life in literature 3 History and criticism 3 Journalists 3 Natural history 3 Railroad travel 3 Sex role 3 Sex role in literature 3 Social life and customs 3 Women authors 3 Women pioneers 3 African American soldiers 2 African American troops 2 Chinese Americans 2 Friends and associates 2 Gangs 2 Government relations 2 Histoire 2 Manners and customs 2 less ...