Columbia subject headings:
Harvard subject headings:
Dominican Republic--Boundaries--Haiti.
Dominican Republic--Massacre, 1937.
Haiti--Boundaries--Dominican Republic
Haitians--Dominican Republic--History--20th century.
Princeton subject headings:
Dominican Republic--Boundaries--Haiti.
Dominican Republic--Massacre, 1937.
Haiti--Boundaries--Dominican Republic.
Haitians--Dominican Republic--History--20th century.