Duff, Arthur Melville, 1862–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 928
Arthur Melville Duff Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| 1/10th hours of 48 hours a week pay roll wage calculator | 1919 | Author | |  | |  | | ||
| 45 hours a week wage calculator | 1919 | Author | | | | | | ||
| 49 hours a week calculator | 1918 | Author | | | | | | ||
| Daily basis wage calculator | 1918 | Author | | | | | | ||
| Fifty hours a week wage calculator for pay rolls and labor cost | 1918 | Author | | | | | | ||
| Forty-eight hours a week wage calculator | 1928 | Author | | | | | | ||
| Forty-eight hours a week wage calculator | 1919 | Author | | | | | | ||
| Forty-eight hours a week wage calculator | 1919 | Author | | | | | | ||
| Manufacturers hourly basis wage calculator for pay rolls and labor cost | 1919 | Author | | | | | | ||