Columbia subject headings:
Harvard subject headings:
Euthanasia--Religious aspects--Catholic Church
Mayer, Joseph
Mayer, Joseph, 1886-1967
Nationalsozialistische Deutsche Arbeiter-Partei
Priests--Germany--Biography.
Princeton subject headings:
Euthanasia--Religious aspects--Catholic Church.
Mayer, Joseph, 1886-1967.
Priests--Germany--Biography.