21. A survey of the mosquitoes of Massachusetts: with a discussion of the relation of mosquitoes to disease Publication: [Boston] : Massachusetts Department of Public Health, 1940 Subject(s): CulicidaeMosquito ControlMosquito VectorsSanitationMassachusetts
22. This is a malaria zone: protect yourself, protect your buddies, keep covered after dark Publication: [United States? : s.n., 19--] Subject(s): Malaria -- prevention & controlInsect Bites and Stings -- prevention & controlCulicidaeMilitary Personnel