| Name | Role | Place | Source | |
|---|---|---|---|---|
| Gerard Joh. van Leeuwen | Tewerkgestelde | 's-Gravenhage, Amsterdam | Workforce registration | |
| Gerard Joh. van Leeuwen | Tewerkgestelde | 's-Gravenhage, Amsterdam | Workforce registration | |
| Gerard Joh. van Leeuwen | Tewerkgestelde | 's-Gravenhage, Amsterdam | Workforce registration | |
| Gerard Joh. van Leeuwen | Tewerkgestelde | 's-Gravenhage, Amsterdam | Workforce registration | |
| Gerardus Joh. van Leeuwen | Tewerkgestelde | 's-Gravenhage | Workforce registration | |
| Gerardus Joh. van Leeuwen | Tewerkgestelde | 's-Gravenhage | Workforce registration | |
| Gerardus Joh. van Leeuwen | Tewerkgestelde | 's-Gravenhage | Workforce registration | |
| Joh. Gerardus van Laeuwen | Tewerkgestelde | 's-Gravenhage | Workforce registration | |
| Joh. Gerardus van Leeuwen | Tewerkgestelde | 's-Gravenhage, Amsterdam | Workforce registration |
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