- Author: Robert J. Lang (Author)
- Language: English
- Year: 2017
- Author: David F. Damore, Robert E. Lang, Karen A. Danielsen
- Language: English
- Year: 2020
- Author: Meher McArthur Robert J. Lang (foreword)
- Language: English
- Year: 2017
- Author: Robert J. Lang
- Language: English
- Author: Robert W. Lang
- Language: English
- Year: 2013
- Author: Robert J. Lang
- Language: English
- Year: 2003
- Author: John Montroll Robert J. Lang
- Language: English
- Author: Robert W. Lang (Editor)
- Language: English
- Year: 2015