Columbia subject headings:
Fleck, Ludwik, 1896-1961.
Jewish scientists--Poland.
Knowledge, Sociology of.
Medicine--Philosophy.
Science--Philosophy.
Harvard subject headings:
Fleck, Ludwik, 1896-1961.
Jewish scientists--Poland.
Knowledge, Sociology of.
Medicine--Philosophy
Science--Philosophy
Princeton subject headings:
Fleck, Ludwik, 1896-1961.
Jewish scientists--Poland.
Knowledge, Sociology of.
Medicine--Philosophy.
Science--Philosophy.