1
by Copi, Irving M., 1917-2002
Published 1962
Book
2
by Copi, Irving M., 1917-2002
Published 1997
Book
3
by Copi, Irving M., 1917-2002
Published 1995
Book
4
by Popper, Karl R. 1902-1994
Published 1992
Book
5
by Copi, Irving M., 1917-2002
Published 1984
Book