1. Factory safety manual Author(s): Colorado. Industrial Commission, author. Publication: Denver, Colorado : Industrial Commission. of Colorado, 1942 Subject(s): Occupational HealthAccidents, Occupational -- prevention & controlColorado
2. Sanitarium of the Union Printers Home, located at Colorado Springs, Colorado Author(s): Union Printers Home, author. Publication: [Colorado?] : [publisher not identified], [1908?] Subject(s): Tuberculosis, Pulmonary -- therapyHospitals, Chronic DiseaseOccupational HealthColoradoUnion Printers Home.