Columbia subject headings:
Classicists--Germany--Correspondence.
Diels, Hermann, 1848-1922--Correspondence.
Gomperz, Heinrich, 1873-1942--Correspondence.
Gomperz, Theodor, 1832-1912--Correspondence.
Greek philology.
Philosophy, Ancient.
Harvard subject headings:
Classicists--Germany--Correspondence.
Diels, Hermann, 1848-1922--Correspondence.
Gomperz, Heinrich, 1873-1942--Correspondence.
Gomperz, Theodor, 1832-1912--Correspondence.
Princeton subject headings:
Classical philology.
Classicists--Germany--Correspondence.
Diels, Hermann, 1848-1922--Correspondence.
Gomperz, Heinrich, 1873-1942--Correspondence.
Gomperz, Theodor, 1832-1912--Correspondence.
Philosophy, Ancient.