- Author: William Samuel
- Language: English
- Year: 1967
2+2=Reality
pdf
- Author: William Samuel
- Language: English
- Year: 1958
- Author: William Samuel
- Language: English
- Year: 1970
- Author: Louis William Roger(editor), Livingston William Samuel(Editor)
- Language: English
- Year: 1979
- Author: Louis William Roger(editor), Livingston William Samuel(Editor)
- Language: English
- Year: 1979