- Author: William W. Falk, Michael D. Schulman, Ann R. Tickamyer
- Language: English
- Year: 2003
- Author: Victor Faessel Richard Falk Michael Curtin
- Language: English
- Year: 2020
- Author: Falk Michael, Hüsler Jürg, Reiss Rolf-Dieter
- Language: English
- Year: 2011