- Author: Alfred M. Lilienthal
- Language: English
- Year: 1962
- Author: Alfred M. Lilienthal
- Language: English
- Year: 1957
- Author: Alfred M. Lilienthal
- Language: English
- Year: 1978
- Author: Alfred M. Lilienthal
- Language: English
- Year: 1965
- Author: Alfred M. Lilienthal
- Language: English
- Year: 1978
- Author: Alfred M. Lilienthal
- Language: English
- Year: 1978
- Author: Alfred M. Lilienthal
- Language: English
- Year: 1978