Nielsen, J. M. (Johannes Maagaard), 1890–1969
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL17896A
- pdbooks.info ID: 161313
J. M. (Johannes Maagaard) Nielsen Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| The engrammes of psychiatry | [1st ed.] | 1947 | Author | |  | |  | | 
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