| title | ISBN-13 | year of publica- tion | other author(s) | 
|---|---|---|---|
| Threshold Competitor | 978-0-13-101027-7 | 2002 | Philip H. Anderson · David A. Beveridge · David L Hofmeister | 
| Threshold Competitor: A Management Simulation, Team Version 2.1 | 978-0-13-022841-3 | 1999 | David A. Beveridge · David L. Hofmeister | 
| Threshold Competitor: A Management Simulation, Version 3.0 | 978-0-13-102212-6 | 2003 | Philip H. Anderson · David A. Beveridge · David L. Hofmeister | 
| Threshold Competitor: A Management Simulation W/Disks | 978-0-13-675539-5 | 1997 | David A. Beveridge · Philip H. Anderson | 
| Threshold Competitor: Solo Version | 978-0-13-020235-2 | 1998 | David A. Beveridge · Philip H. Anderson | 
| Threshold Competitor: Team and Solo Versions | 978-0-13-020237-6 | 1998 | Philip H. Anderson · David A. Beveridge | 
| Threshold Competitr& Student CD& Ofc XP Pkg | 978-0-13-160664-7 | 2003 | Philip H. Anderson · David A. Beveridge · David L, Deceased Hofmeister | 
| Threshold Entrepreneur: A New Business Venture Simulation: Solo Version Book and Disk | 978-0-13-021921-3 | 2000 | Philip H. Anderson · David A. Beveridge | 
| Threshold Entrepreneur: A New Business Venture Simulation, Team Version Book and Disk | 978-0-13-020633-6 | 2000 | Philip H. Anderson · David A. Beveridge · Thimothy Scott · David L. Hofmeister | 
T.S. · T. Scott · T W · Timothy S. · Timothy Scott · W.S. · W. Scott