11. Restriction and prevention of scarlet fever Author(s): North Carolina. State Board of Health, author. Publication: Raleigh : News & Observer, state printer and binder, 1881 Subject(s): Scarlet Fever -- prevention & controlCommunicable Disease Control
12. Forholds-regler for at forhindre udbredelsen af kopperne Author(s): Illinois State Board of Health, author. Publication: [Springfield?] : [publisher not identified], [1881?] Subject(s): Smallpox -- prevention & controlCommunicable Disease Control
13. How to prevent the spread of small-pox Author(s): Illinois State Board of Health, author. Publication: [Springfield?] : [publisher not identified], 1881 Subject(s): Smallpox -- prevention & controlCommunicable Disease Control
14. Restriction and prevention of scarlet fever Author(s): Michigan. State Board of Health, author. Publication: [Lansing?] : [publisher not identified], 1881 Subject(s): Scarlet Fever -- prevention & controlCommunicable Disease ControlMichigan