edited by Denis L. Rousseau
Academic Press, 1984
Buku Teks
Teilhard de Chardin, Pierre, author
Harcourt Brace Jovenovich, 1975
Buku Teks
Cargan, Leonard, author
Wadsworth, 1985
Buku Teks
edited by Warren Winkelstein, Fern E. French
MSS Information, 1972
Buku Teks
edited by P.M.S. Hacker and J. Raz
Clarendon Press, 1988
Buku Teks