| LC control no. | n 83063012 |
|---|---|
| Personal name heading | Van der Ryn, Sim |
| Variant(s) | Ryn, Sim van der |
| Birth date | 1935 |
| Found in | His Natural energy designer's handbook, 1975. Info. converted from 678, 2012-10-02 (b. 1935) |
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