Columbia subject headings:
Harvard subject headings:
Older people--Care--Germany--Friesland.
Older people--Health and hygiene--Germany--Friesland.
Older people--Housing--Germany--Friesland.
Participation.
Quality of life--Germany--Friesland.
Princeton subject headings:
Older people--Care--Germany--Friesland.
Older people--Health and hygiene--Germany--Friesland.
Older people--Housing--Germany--Friesland.
Participation.
Quality of life--Germany--Friesland.