Columbia subject headings:
Harvard subject headings:
Brentano, Franz, 1838-1917
Meinong, A. (Alexius), 1853-1920.
Spranger, Eduard, 1882-1963.
Values
Princeton subject headings:
Brentano, Franz, 1838-1917.
Meinong, A. (Alexius), 1853-1920.
Spranger, Eduard, 1882-1963.
Values.