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Herbert Druery Harper

Harper, Herbert Druery, –(no earlier than 1956)

Nationality: Undetermined, possibly United States (United States)

Identities and Authority Control

Herbert Druery Harper Contributed to the Following:

TitleEditionYear of PublicationRoleCountry of PublicationPossible Copyright StatusAvailable Online?
Automobile shop mathematics1928AuthorUnited StatesCopyrightedCopyrightedUnknown copyright statusCopyrighted
General shop mathematics1936AuthorUnited StatesPublic DomainPublic DomainUnknown copyright statusCopyrighted