O'Ryan, John F. (John Francis), 1874–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 12073
John F. (John Francis) O'Ryan Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| The modern army in action: an exposition of the conduct of war | 1914 | Author | |  | |  | |    
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| The story of the 27th division | 1921 | Author | | | | | |
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