- Author: Gilbert Ryle
- Language: Spanish
- Author: Gilbert Held
- Language: English
- Year: 2010
- Author: Joyce Jacobsen Gilbert Skillman
- Language: English
- Year: 2004
- Author: Daniel R. Gilbert
- Language: English
- Year: 1996
- Author: Gilbert Strang
- Language: English
- Year: 1980
- Author: Gilbert Scott F.
- Language: Portuguese(Portugal)
- Year: 1997
- Author: P.J. Bert Hakkinen Asish Mohapatra Steven G. G. Gilbert Philip Wexler
- Language: English
- Year: 2009
World Population
pdf
- Author: Geoffrey Gilbert
- Language: English
- Year: 2006
- Author: Mary Ellen Coyte Peter Gilbert Vicky Nicholls John Swinton
- Language: English
- Year: 2007
- Author: Gilbert Toppin Fiona Czerniawska
- Language: English
- Year: 2005