Cohen, Morris R.
Henry Holt, 1949
Buku Teks SO
edited by Richard Boyd, Philip Gasper, and J. D. Trout
Bradford Book, 1997
Buku Teks SO
Whitehead, Alfred North, 1861-1947
Philosophical Library, 1948
Buku Teks SO
edited by Lorenzo Magnani and Ping Li
Springer, 2012
eBooks
Kluwer Academic Publishers,
Majalah, Jurnal, Buletin