Heck, Ludwig, 1860–1951
Nationality: Undetermined, possibly 
(Germany)
Identities and Authority Control
- pdbooks.info ID: 90634
Ludwig Heck Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| Brehms Tierleben | 4., vollständig neubearb. aufl. | 1911 | Author |  |  |  |  | |    
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| Tiere: wie sie wirklich sind | 1934 | Author | | | | | | ||