- Author: David V. Huntsberger, Patrick Billingsley
- Language: English
- Year: 1981
- Author: David V. Huntsberger
- Language: English
- Year: 1961
- Author: David V. Huntsberger
- Language: English
- Year: 1967
- Author: David V. Huntsberger, Patrick Billingsley
- Language: English
- Year: 1977