Columbia subject headings:
Christian ethics--Catholic authors.
Demmer, Klaus, 1931-
Fuchs, Josef, 1912-2005.
Janssens, Louis.
Knauer, Peter, 1935-
Scholz, Franz, 1909-1998.
Schüller, Bruno.
Harvard subject headings:
Demmer, Klaus, 1931-
Ethics.
Fuchs, Josef, 1912-2005
Janssens, Louis, 1908-
Knauer, Peter, 1935-
Scholz, Franz, 1909-1998.
Schüller, Bruno.
Princeton subject headings: