Brennan, Niall, 1918-2005, author
Hill of Content, 1971
Buku Teks
Hewlett, Awdrey
Rigby Publishers, 1983
Buku Teks
Forbes, Clark
Hutchinson, 1989
Buku Teks
Hall, Rodney, author
University of Queensland Press, 1978
Buku Teks
Hyde, Harford Montgomery, author
Colorado Alan Swallow , 1948
Buku Teks