1. A great secret discovered!: the wonder of the age! : Dr. King's New Life Pills! Publication: [Chicago?] : [publisher not identified], [1880?] Subject(s): Nonprescription DrugsGastrointestinal AgentsTuberculosis, Pulmonary -- drug therapy
2. Pure Royal Pepsin: no patents! no lawsuits! no rotten peptones! no insoluble scales! Publication: [Pittsburgh, Pa.?] : [publisher not identified], [1893?] Subject(s): Pepsin AGastrointestinal Agents
3. Open letter to users of Dr. King's New Life Pills Publication: [Chicago?] : [publisher not identified], [1880?] Subject(s): Nonprescription DrugsGastrointestinal Agents