Columbia subject headings:
Harvard subject headings:
Astronomy--Argentina--Foreign influences--History.
Astronomy--China--Foreign influences--History.
Astronomy--Oceania--Foreign influences--History.
Germany--Foreign relations.
Physics--Argentina--Foreign influences--History.
Physics--China--Foreign influences--History.
Physics--Oceania--Foreign influences--History.
Princeton subject headings:
Astronomy--Argentina--Foreign influences--History.
Astronomy--China--Foreign influences--History.
Astronomy--Oceania--Foreign influences--History.
Germany--Foreign relations--History.
Physics--Argentina--Foreign influences--History.
Physics--China--Foreign influences--History.
Physics--Oceania--Foreign influences--History.