| Name | Role | Place | Source | |
|---|---|---|---|---|
| W. v.d. Dool | Registered | Utrecht | Register of staff | |
| W. v.d. Dool | Registered | Utrecht | Register of staff | |
| W. v.d. Dool | Staff member | Utrecht | Register of staff | |
| W. v.d. Dool | Staff member | Utrecht | Register of staff | |
| W. v.d. Dool | Travelers | 1956 | New York | Passenger registers |
| W. v.d. Dool | Travelers | 1956 | Rotterdam | Passenger registers |
| W. v.d. Dool | Mention | 1939 | Nijmegen | Inschrijvingsregister Vierdaagse |
| W. v.d. Dool | Mention | 1939 | Nijmegen | Inschrijvingsregister Vierdaagse |
| W. v.d. Dool | Mention | 1937 | Nijmegen | Inschrijvingsregister Vierdaagse |
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