n.n. · Nemo Niemann · Non Nomen
| title | ISBN-13 | year of publication |
|---|---|---|
| Vault Guide to the Top 25 Consulting Firms | 978-1-58131-617-9 | 2009 |
| Vault Guide to the Top 50 Consulting Firms | 978-1-58131-491-5 | 2007 |
| Vault Guide to the Top 50 Management and Strategy Consulting Firms | 978-1-58131-616-2 | 2008 |
| Vault Guide to the Top European Consulting Firms | 978-1-58131-492-2 | 2007 |