31. [Rat-proofing volunteers, New Orleans, La.] Publication: [between 1914 and 1920] Subject(s): Communicable Disease ControlRodent ControlPlague -- prevention & controlUnited States. Public Health Service.
32. [Rat control group, New Orleans, La.] Publication: [between 1914 and 1920] Subject(s): Communicable Disease ControlPlague -- prevention & controlRodent ControlUnited States. Public Health Service.
33. [Men and rat-catching equipment, New Orleans, La.] Publication: [between 1914 and 1920] Subject(s): Communicable Disease ControlPlague -- prevention & controlRodent ControlUnited States. Public Health Service.
34. [Technicians examining dead rats collected during the antiplague campaign, New Orleans, La.] Publication: [between 1914 and 1920] Subject(s): Communicable Disease ControlPlague -- prevention & controlLaboratory Personnel
35. [A liquid-ammunition car, San Francisco, Calif.] Publication: [1907 or 1908] Subject(s): Communicable Disease ControlPlague -- prevention & controlHorsesRodent ControlSan FranciscoUnited States. Public Health and Marine Hospital Service.
36. [Two men dissecting rats nailed to shingles, San Francisco, Calif.] Publication: [between 1907 and 1909] Subject(s): Communicable Disease ControlDissectionLaboratory PersonnelPlague -- prevention & controlSan Francisco
37. [Man seated next to dead squirrels] Publication: [between 1907 and 1909] Subject(s): Communicable Disease ControlPlague -- prevention & controlRodent Control
38. Preparing poison bait Publication: [1907 or 1908] Subject(s): Communicable Disease ControlPlague -- prevention & controlRodent ControlSan Francisco
39. [U.S. Public Health and Marine Hospital Service workers using pick axes, shovels, and rakes to clean debris from a former backyard rat-nesting area, San Francisco, Calif.] Publication: [1907 or 1908] Subject(s): Communicable Disease ControlPlague -- prevention & controlRodent ControlSan FranciscoUnited States. Public Health and Marine Hospital Service.
40. [Enforcing science and health, San Francisco, Calif.] Publication: [1907 or 1908] Subject(s): Communicable Disease ControlPlague -- prevention & controlSan FranciscoUnited States. Public Health and Marine Hospital Service.