Schroeder, Alice
The Snowball : Warren Buffett and the business of life
Bloomsbury, 2008
Buku Teks
Warren, Hans
Geheim dagboek : tiende deel 1973-1975 / Hans Warren
Bert Bakker, 1992
Buku Teks
Warren, Hans
Geheim dagboek : zevende deel 1958-1962 / Hans Warren
Bert Bakker, 1988
Buku Teks
Warren-Smith, Neil
25 years of Australian opera / Neil Warren-Smith with Frank Salter
Oxford University Press , 1983
Buku Teks SO
Cousins, Margaret
Thomas Alva Edison : the man who lighted the world
Fawcett, 1965
Buku Teks SO