| title | ISBN-13 (ISBN-10) | year of publication | 
|---|---|---|
| A Practical Guide to Software Licensing for Licensees and Licensors: Model Forms and Annotations | 978-1-59031-849-2 (1-59031-849-8) | 2007 | 
| A Practical Guide to Software Licensing for Licensees and Licensors: Model Forms and Annotations Including in Print and CD-Rom | 978-1-60442-090-6 (1-60442-090-1) | 2009 | 
H. C. · H. Classen · W.C. · W. Classen · W H · W. H. C