- Author: National Academy of Sciences, Office of the Home Secretary
- Language: English
- Year: 2009
- Author: National Academy of Sciences, National Academy of Sciences
- Language: English
- Year: 1997
- Author: National Academy of Sciences, National Academy of Sciences, Eric A. Hanushek
- Language: English
- Year: 1996
- Author: National Academy of Sciences, National Academy of Sciences
- Language: English
- Year: 1994
- Author: National Academy of Sciences, National Academy of Sciences
- Language: English
- Year: 1998
- Author: National Academy of Sciences, National Academy of Sciences
- Language: English
- Year: 1999
- Author: National Academy of Sciences, National Academy of Sciences
- Language: English
- Year: 2000
- Author: National Academy of Sciences, National Academy of Sciences, Benjamin H. Willier
- Language: English
- Year: 1974
- Author: National Academy of Sciences, National Academy of Sciences
- Language: English
- Year: 1994
- Author: National Academy of Sciences, National Academy of Sciences
- Language: English
- Year: 1995