Mackintosh, Chaerles Rennie, author
The Foulis Press, 1995
Buku Teks
Smith, Bernard, author
Oxford University Press, 1976
Buku Teks
Hauser, Arnold, author
Alfred A. Knopf , 1952
Buku Teks
edited by Robin Osborne and Jeremy Tanner
Blackwell Publishing, 2007
Buku Teks
Munsterberg, Hugo, 1916-1995, author
Philosophical Library, [1949]
Buku Teks