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Presidency: How George W. Bush Acquired and Spent his Political Capital. M.E. Sharpe. p. 143. ISBN 978-0-7656-1693-7 Coughlin, Con (2005). Saddam: His Rise and
Encyclopædia Britannica. 7 (11th ed.). Cambridge University Press. p. 915 Sharpe, Edmund (1871). The Seven Periods of English Architecture Defined and Illustrated