| LC control no. | n 80144198 |
|---|---|
| Descriptive conventions | rda |
| Personal name heading | Helfert, Willi, 1922- |
| Birth date | 1922 |
| Found in | His Licht und Dunkel, 1979: t.p. (Willi Helfert) p. 7 (b. 1922) |
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