edited by Charles W. Kegley
Pilgrim Press, 1994
Buku Teks
Schroeder, John Frederick, author
The Mount Vernon Ladies Association, 1947
Buku Teks
Morrison, Stanley Andrew, author
SCM Press, 1954
Buku Teks
Grande, Sandy, 1964-, author
Rowman and Littlefield, 2015
Buku Teks
Taylor, A. E. (Alfred Edward), 1869-1945, author
Doubleday, 1952
Buku Teks