Janssen, Carl Emil Luplau, 1889–
Nationality: Undetermined, possibly 
(Denmark)
Identities and Authority Control
- pdbooks.info ID: 54963
Carl Emil Luplau Janssen Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Er stjernerne beboet? | 1928 | Author | |  |  | | | ||