Civil rights 4 Government relations 4 Indians of North America 4 Political and social views 4 Ponca Indians Authors, American 3 Indians in literature 3 more ... Influence 3 Social reformers 3 Correspondence 1 Écrivains américains 1 Influence (Literary, artistic, etc.) 1 Ponca 1 Relations avec l'État 1 Réformateurs sociaux 1 Women authors, American 1 Women social reformers 1 less ...