Columbia subject headings:
Friedländer, Paul, 1882-1968.
Wilamowitz-Moellendorff, Ulrich von, 1848-1931.
Harvard subject headings:
Friedländer, Paul, 1882-1968.
Wilamowitz-Moellendorff, Ulrich von, 1848-1931.
Princeton subject headings:
Classicists--Germany--Correspondence.
Friedländer, Paul, 1882-1968--Correspondence.
Wilamowitz-Moellendorff, Ulrich von, 1848-1931--Correspondence.