Acknowledgments -- Preface -- Introduction: citizenship roots in outreach work -- Citizenship and community organizing : citizens -- Citizenship and individuals : the citizens project, early -- Citizenship and individuals : the citizens project, ongoing -- Going to the source : citizenship measure development and validation -- Taking citizenship to scale : the citizens collaborative I -- Taking citizenship to scale : the citizens collaborative II -- Taking citizenship to scale : the citizens collaborative III -- A model of citizenship and mental health -- Conclusion -- References & notes -- Bibliography.