Helmholtz, Anna von, 1834–1899
Nationality: Undetermined, possibly 
(Germany)
Identities and Authority Control
- pdbooks.info ID: 63284
Anna von Helmholtz Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Anna von Helmholtz: ein Lebensbild in Briefen | 1929 | Author | |  |  | | | ||