Columbia subject headings:
Eugenics--Germany--Oldenburg (Landkreis)
Involuntary sterilization--Germany--Oldenburg (Landkreis)
National socialism and medicine--Germany--Oldenburg (Landkreis)
Harvard subject headings:
Academic theses
Eugenics--Germany--Oldenburg (Landkreis)
Involuntary sterilization--Germany--Oldenburg (Landkreis)
National socialism and medicine--Germany--Oldenburg (Landkreis)
Princeton subject headings:
Eugenics--Germany--Oldenburg (Landkreis).
Involuntary sterilization--Germany--Oldenburg (Landkreis).
National socialism and medicine--Germany--Oldenburg (Landkreis).