Time Incorporated, 1957
Buku Teks
edited by Stewart Sutherland, Leslie Houlden, Peter Clarke, Friedhelm Hardy
Routledge, 1988
Buku Referensi
Gar, Joseph
Dodd, Mead, 1963
Buku Teks
Gaer, Joseph
Dodd, Mead, 1956
Buku Teks
ediitor Jean Danielou et all
Netre Dame Fidds Publishers, 1964
Buku Teks