Phythyon, Harry
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 38023
Harry Phythyon Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| The rock dust remedy for coal mine explosions: an open letter to the operators in the 27th bituminous district of Pennsylvania | 1926 | Author | |  | |  | | ||