U.S. Department of Health & Human Services
An act relative to the employment by railroad companies of persons affected with defective sight or color blindness
Massachusetts. General Court, enacting jurisdiction.
Jeffries, B. Joy (Benjamin Joy), 1833-1915, former owner U.S. Naval Museum of Hygiene, former owner.
[Boston, Mass.?] : [publisher not identified], [1881?]
Railroads -- manpower
Visually Impaired Persons
Color Vision Defects
The National Library of Medicine believes this item to be in the public domain
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Metadata (Dublin Core)