1. Chto takoe tuberkulez Publication: Moskva : Otdelom sanitarnogo prosveshcheniia, Ministerstvo zdravookhraneniia SSSR, 1947 Subject(s): Tuberculosis -- microbiologyLaboratoriesMedical Laboratory PersonnelMicroscopyKoch, Robert, 1843-1910.
2. Koch les bienfaiteurs de l'humanité: Chocolat Guérin-Boutron Publication: Paris : F. Champenois, [1889?] Subject(s): ChocolateKoch, Robert, 1843-1910.