Ryan, John, 1898–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2299276A
- pdbooks.info ID: 162802
John Ryan Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| Current depreciation allowances: an evaluation and criticism | 1958 | Author | |  | |  |  | 
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