1. [Man boarding a streetcar that has a "Prevent Diphtheria" sign on the front] /h [graphic] Author(s): Bowers, Lee S. Publication: [194-?] Subject(s): Health EducationAfrican Americans
2. [A streetcar with a "Prevent Diphtheria" sign] Author(s): Bowers, Lee S. Publication: [194-?] Subject(s): Health Education
