Penn, J.
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2331879A
- pdbooks.info ID: 103563
J. Penn (pseudonym) Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| For readers only | 1937 | Author | |  |  | | | ||