Jeffcott, H. A.
Nationality: 
(Unknown)
Identities and Authority Control
- pdbooks.info ID: 74658
H. A. Jeffcott Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Beware of imitations ! Compiled from the records of the United States Patent office | 1932 | Author | |  |  | | | ||