Columbia subject headings:
Interracial marriage--Japan.
Japan--Social conditions--1868-
Koizumi, Setsu, 1868-1932--Marriage.
Harvard subject headings:
Hearn, Lafcadio, 1850-1904--Marriage.
Interracial marriage--Japan.
Japan--Social conditions--1868-
Koizumi, Setsu, 1868-1932--Marriage.
Princeton subject headings:
Authors' spouses--Japan--Biography.
Hearn family.
Hearn, Lafcadio, 1850-1904.
Japan--Social conditions--1868-
Koizumi, Setsu, 1868-1932--Marriage.