- Author: P. J. H. Builtjes (auth.) Han van Dop (eds.)
- Language: English
- Year: 1989
- Author: Dr. John W. Hernandez Jr. (auth.) Mr. John P. Lehman (eds.)
- Language: English
- Year: 1983
- Author: H. M. Seip A. Heiberg (auth.) Hans M. Seip Anders B. Heiberg (eds.)
- Language: English
- Year: 1989
- Author: Robin L. Dennis (auth.) Sven-Erik Gryning Francis A. Schiermeier (eds.)
- Language: English
- Year: 1996
- Author: M. E. Berlyand (auth.) Han van Dop Douw G. Steyn (eds.)
- Language: English
- Year: 1991
- Author: Y. Mahrer (auth.) Han van Dop George Kallos (eds.)
- Language: English
- Year: 1992
