- Author: Ryan Amacher (editor), Robert D. Tollison (editor), Thomas D. Willett (editor)
- Language: English
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- Author: Robert B. Ekelund Jr., Robert D. Tollison
- Language: English
- Year: 2011
- Author: Richard E. Wagner, Robert D. Tollison
- Language: English
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- Author: Robert Burton. Ekelund Jr. John D. Jackson Robert D. Tollison
- Language: English
- Year: 2017
- Author: Robert B. Ekelund Jr. Robert D. Tollison
- Language: English
- Year: 2011
- Author: Robert B Ekelund, Robert D Tollison, Gary M Anderson, Robert F Hebert, Audrey B Davidson
- Language: English
- Year: 1996
- Author: Robert D. Tollison Richard E. Wagner (auth.)
- Language: English
- Year: 1992