por Hayek, Friedrich A. von (Friedrich August), 1899-1992 [autor] | Bartley, William Warren, 1934- [editor] | University of Chicago.
por Popper, Karl R. (Karl Raimund), 1902-1994 [autor] | Bartley, William Warren, 1934- [editor] | Sansigre Vidal, Marta [traductor].
por Hayek, Friedrich A. von (Friedrich August), 1899-1992 [autor] | Bartley, William Warren, 1934- [editor] | Kresge, Stephen [editor] | University of Chicago.