translated and edited by R.C. Zaehner
David Campbell, 1992
Buku Referensi
translated and edited by R.C. Zaehner
J.M. Dent & Sons, 1966
Buku Teks SO
Gropin, Marc
Oxford University Press, 2002
Buku Teks
Eddy, Mary Baker
First Church of Christ, Scientist, 1994
Buku Teks SO
Eddy, Mary Baker
Trustees under the will of Mary Baker G. Eddy, 1934
Buku Teks SO