Empringham, James 1869- creator Empringham, Margareta. ed Health education society text cau Los Angeles Health education society c1944 1944 monographic eng

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112 p. port. 21 cm. by James Empringham. "Note by the editor" signed: Margareta Empringham. Hygiene Pathogenic bacteria Toxins and antitoxins RA436 .E5 sg 44000104 U. S. Surg.-gen. off. Libr. 770812 20260227112742.0 sg 44000104