McCormick, Charles T. (Charles Tilford), 1889-1963
Foundation Press, 1976
Buku Teks
Louisell, David W.
Foundation Press, 1979
Buku Teks SO
Gunther, Gerald
Foundation Press, 1970
Buku Teks
Kauper, Paul G.
Little, Brown, 1966
Buku Teks SO
Kauper, Paul G.
Little, Brown, 1971
Buku Teks SO