Fifteenth Amendment and related resources at the Library of Congress CRS Annotated Constitution: Fifteenth Amendment
アメリカ合衆国憲法 アメリカ合衆国憲法修正第13条 アメリカ合衆国憲法修正第14条 Fifteenth Amendment and related resources at the Library of Congress National Archives: 15th Amendment CRS Annotated Constitution: 15th Amendment