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Arthur Melville Duff

Duff, Arthur Melville, 1862–

Nationality: Undetermined, possibly United States (United States)

Identities and Authority Control

Arthur Melville Duff Contributed to the Following:

TitleEditionYear of PublicationRoleCountry of PublicationPossible Copyright StatusAvailable Online?
1/10th hours of 48 hours a week pay roll wage calculator1919AuthorUnited StatesPublic DomainPublic DomainUnknown copyright statusUnknown copyright status
45 hours a week wage calculator1919AuthorUnited StatesPublic DomainPublic DomainUnknown copyright statusUnknown copyright status
49 hours a week calculator1918AuthorUnited StatesPublic DomainPublic DomainUnknown copyright statusUnknown copyright status
Daily basis wage calculator1918AuthorUnited StatesPublic DomainPublic DomainUnknown copyright statusUnknown copyright status
Fifty hours a week wage calculator for pay rolls and labor cost1918AuthorUnited StatesPublic DomainPublic DomainUnknown copyright statusUnknown copyright status
Forty-eight hours a week wage calculator1928AuthorUnited StatesPublic DomainPublic DomainUnknown copyright statusUnknown copyright status
Forty-eight hours a week wage calculator1919AuthorUnited StatesPublic DomainPublic DomainUnknown copyright statusUnknown copyright status
Forty-eight hours a week wage calculator1919AuthorUnited StatesPublic DomainPublic DomainUnknown copyright statusUnknown copyright status
Manufacturers hourly basis wage calculator for pay rolls and labor cost1919AuthorUnited StatesPublic DomainPublic DomainUnknown copyright statusUnknown copyright status