| Verfasser | Häufigkeit |
| Elkington, Rob |
8 |
| Glick-Smith, Judith |
7 |
| Breen, Jennifer Moss |
5 |
| Steege, Madeleine van der |
5 |
| Burgess, Gloria J. |
2 |
| Majola, Xoliswa |
2 |
| Moss Breen, Jennifer |
2 |
| Schwella, Erwin |
2 |
| Sydara, Kongmany |
2 |
| Van der Steege, Madeleine |
2 |
| De Klerk, Nico |
1 |
| Elkington, Bethany Gwen |
1 |
| Elkington, Bethany Gwen 1978- |
1 |
| Elkington, Rob (CEO of Global Leadership Initiatives, Inc.) |
1 |
| Ngunjiri, Faith Wambura |
1 |
| Ngunjiri, Faith Wambura 1973- |
1 |
| Soejarto, Djaja Djendoel |
1 |
| Soejarto, Djaja Djendoel 1939- |
1 |
| de Klerk, Nico |
1 |