Columbia subject headings:
Families--Germany.
Families--Japan.
Happiness.
Holidays--Germany.
Holidays--Japan.
Harvard subject headings:
Ethnology--Germany
Ethnology--Japan
Families--Germany.
Families--Japan.
Germany--Social life and customs.
Happiness
Holidays--Germany.
Holidays--Japan
Japan--Social life and customs.
Princeton subject headings:
Families--Germany.
Families--Japan.
Happiness.
Holidays--Germany.
Holidays--Japan.