Columbia subject headings:
Needham, Joseph, 1900-1995.
Science--Historiography--Congresses.
Science--History--Congresses.
Science--Philosophy--Congresses.
Harvard subject headings:
Needham, Joseph, 1900-1995--Congresses.
Science--Historiography--Congresses.
Princeton subject headings:
Needham, Joseph, 1900-1995--Congresses.
Science--Historiography--Congresses.