Columbia subject headings:
Kleutgen, Joseph, 1811-1883--Criticism and interpretation.
Michelis, Friedrich, 1815-1886--Bibliography.
Michelis, Friedrich, 1815-1886--Criticism and interpretation.
Harvard subject headings:
Kleutgen, Joseph, 1811-1883--Criticism and interpretation.
Michelis, Friedrich, 1815-1886--Bibliography.
Michelis, Friedrich, 1815-1886--Criticism and interpretation.
Princeton subject headings:
Kleutgen, Joseph, 1811-1883.
Michelis, Friedrich.
Neo-Scholasticism.