Heywood, Johnson, 1885–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2362719A
- pdbooks.info ID: 170613
Johnson Heywood Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| Grinding wheels and their uses: a handbook and textbook on modern grinding and polishing practice and theory | 1st ed. | 1938 | Author | |  | |  | | 
|