Columbia subject headings:
Schröder, Rudolf Alexander, 1878-1962--Congresses.
Translating and interpreting--Congresses.
Harvard subject headings:
Schröder, Rudolf Alexander, 1878-1962--Congresses.
Translating and interpreting--Congresses.
Princeton subject headings:
Schröder, Rudolf Alexander, 1878-1962--Congresses.
Translating and interpreting--Congresses.