1. New and wonderful discovery: consumption, catarrh, asthma, bronchitis and all pulmonary diseases can be cured without medicine by the Dr. Louis Weigert's "Perfection" Hot Air Inhaler Author(s): Dr. Louis Weigert Co., author. Publication: New York, NY : Dr. Louis Weigert Co., [1890?] Subject(s): Respiratory Tract Diseases -- therapyAirHot Temperature -- therapeutic useEquipment and SuppliesKoch, Robert, 1843-1910.
2. Koch les bienfaiteurs de l'humanité: Chocolat Guérin-Boutron Publication: Paris : F. Champenois, [1889?] Subject(s): ChocolateKoch, Robert, 1843-1910.
