Columbia subject headings:
Classical philology--Europe, Eastern--History--Sources.
Classical philology--Poland--History--Sources.
Classicists--Europe, Eastern--Correspondence.
Classicists--Poland--Correspondence.
Groddeck, Gottfried Ernst, 1762-1824--Correspondence.
Philologists--Poland--Correspondence.
Harvard subject headings:
Classicists--Poland--Correspondence.
Groddeck, Gottfried Ernst, 1762-1824--Correspondence.
Groddeck, Gottfried Ernst, 1762-1824--Friends and associates--Correspondence.
Princeton subject headings:
Classicists--Poland--Correspondence.
Groddeck, Gottfried Ernst, 1762-1824--Correspondence.
Groddeck, Gottfried Ernst, 1762-1824--Friends and associates--Correspondence.