Columbia subject headings:
Harvard subject headings:
Logical positivism--History.
Mach, Ernst, 1838-1916.
Popper-Lynkeus, Josef, 1838-1921.
Verein Ernst Mach in Wien.
Princeton subject headings:
Logical positivism.
Mach, Ernst, 1838-1916--Influence.
Philosophy, Modern--20th century.
Verein Ernst Mach in Wien.