1. The climate of Colorado for respiratory diseases Author(s): Denison, Charles, 1845-1909, author Publication: [Chicago?] : [publisher not identified], [1898?] Subject(s): Respiratory Tract DiseasesClimateColorado
2. The Colorado Springs region as a health resort: high altitudes for invalids Publication: Colorado Springs : Chamber of Commerce, 1898 Subject(s): Health ResortsColorado