Columbia subject headings:
Classicists--Germany--Correspondence.
History, Ancient--Historiography.
Rostovtzeff, Michael Ivanovitch, 1870-1952--Correspondence.
Harvard subject headings:
Classicists--Germany--Correspondence.
History, Ancient--Historiography
Rostovtzeff, Michael Ivanovitch, 1870-1952--Correspondence.
Princeton subject headings:
Historians--United States--Biography.
Rostovtzeff, Michael Ivanovitch, 1870-1952--Correspondence.