WBleeding KansasWButterfield Overland MailWCalifornia TrailWGermania Musical SocietyWHarmoneonsWHistory of the United States (1849–1865)WJenny Lind private railroad carWMendocino WarWPacific Railroad SurveysWPerry ExpeditionWPresidency of Franklin PierceWPresidency of James BuchananWPresidency of Millard FillmoreWTaney CourtWTreaty of La Pointe