| Name | Role | Place | Source | |
|---|---|---|---|---|
| H.L. Cohn | Travelers | 1954 | New York | Passenger registers |
| H.L. Cohn | Registered | 1915 | Amsterdam | Family cards |
| H.L. Cohn | Registered | 1913 | Amsterdam | Family cards |
| H.L. Cohn | Travelers | 1954 | New York | Passenger registers |
| H.L. Cohn | Travelers | 1953 | Rotterdam | Passenger registers |
| H.L. Cohn | Registered | 1905 | Amsterdam | Family cards |
| H.L. Cohn | Registered | 's-Gravenhage, Arnhem | Management file | |
| H.L. Cohn Jaffé | Military | 's-Gravenhage | Staat van dienst | |
| Wilhelm H.L. Cohn | Defendant | 1933 | Leeuwarden | Rollbooks district courts |
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