1. Melancholia Author(s): Wiltrout, Irving D., author Publication: [St. Paul?] : [publisher not identified], [1890?] Subject(s): Depressive DisorderOpium -- therapeutic use
2. Somnal, a hypnotic Author(s): Wiltrout, Irving D., author Publication: [St. Paul?] : [publisher not identified], [1891?] Subject(s): Hypnotics and Sedatives