| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Political Activity, Lobbying Laws and Gift Rules Guide, 3d, 2010-2011 ed. | 978-0-314-99905-4 | 2010 | Trevor Potter |
| Political Activity, Lobbying Laws and Gift Rules Guide, 3d, 2011-2012 ed. | 978-0-314-92592-3 | 2011 | " |
| Political Activity, Lobbying Laws and Gift Rules Guide, 3d, 2012-2013 ed. | 978-0-314-60331-9 | 2012 | " |
| Political Activity, Lobbying Laws and Gift Rules Guide, 2008-2009 ed. | 978-0-314-98831-7 | 2008 | " |
| Political Activity, Lobbying Laws and Gift Rules Guide, 2009-2010 ed. | 978-0-314-98830-0 | 2009 | " |