Polk, Frank Lyon
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 120779
Frank Lyon Polk Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| German submarine warfare: a study of its methods and spirit, including the crime of the "Lusitania," a record of observations and evidence | 1918 | Author of Introduction | |  | |  | |    
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