Whitehead, Alfred North, 1861-1947
Philosophical Library, 1948
Buku Teks
edited by Richard Boyd, Philip Gasper, and J. D. Trout
Bradford Book, 1997
Buku Teks
edited by Walter Gratzer
W.H.Freeman and Company, 1999
Buku Referensi
Bortolotti, Lisa
Polity Press, 2008
Buku Teks
Stathis Psillos, Martin Curd, editor
Routledge, 2008
Buku Teks