O`Sullivan, Jeremiah Francis, 1903-, author
Appleton Century Croffs, 1943
Buku Teks
Theo Publishing,
Majalah, Jurnal, Buletin
Vauchez, Antoine, author
Palgrave Macmillan, 2016
Buku Teks
Wood, Anthony, 1923-, author
Longman, 1983
Buku Teks
Coon, Carleton S., author
Macmillan, 1948
Buku Teks