| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | 
|---|---|---|---|
| Sacred Trust: The Medieval Church as an Economic Firm | 978-O-19-51O337-3 (O-19-51O337-8) | 1997 | Robert B. Ekelund · Robert F. Hébert · Robert D. Tollison · Gary M. Anderson | 
A. B. · A. B Davidson · A D · A. Davidson · Audrey B. · Audrey Davidson · B.-D · B. Davidson