Caroll, Brian
The builders: Great Australian construction projects / Brian Carroll
Cassel Australia, 1981
Buku Teks SO
Hendrik en Bernhard
Uitgeverij Lekturama, 1991
Buku Referensi
Pearson, William
Chessplayer / William Pearson
Viking Press, 1984
Buku Teks SO
Stursberg, Peter
Lester Pearson and the dream of unity
Doubleday, 1978
Buku Teks SO
Pearson, Lorentz C.
Principles of agronomy / Lorentz C. Pearson
Reinhold Publishing, 1967
Buku Teks SO