Lewis, Anthony
Gideon's trumpet
Random House, 1964
 Buku Teks SO
Hodges, Luther H.
The business conscience
Prentice-Hall, 1963
 Buku Teks SO
Burlingame, Roger
The American conscience
Alfred A. Knopf, 1960
 Buku Teks SO
Hardy, Thomas, 1840-1928
The trumpet-major and Robert his brother
Macmillan, 1952
 Buku Teks SO
Murray, Alexander
Conscience and authority in the medieval church
Oxford University Press, 2016
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