31. [Tagged dead rat outstretched on a paper-covered surface, San Francisco, Calif.] Publication: [between 1907 and 1909] Subject(s): Rodent ControlSan Francisco
32. Tagging Morning Catch Publication: [between 1907 and 1909] Subject(s): Plague -- prevention & controlRodent ControlSan FranciscoUnited States. Public Health Service.
33. [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.
34. [Backyard of a dwelling, San Francisco, Calif.] Publication: [1907 or 1908] Subject(s): San Francisco
35. [Two men dissecting rats nailed to shingles, San Francisco, Calif.] Publication: [between 1907 and 1909] Subject(s): Communicable Disease ControlDissectionLaboratory PersonnelPlague -- prevention & controlSan Francisco
36. [Man seated next to dead squirrels] Publication: [between 1907 and 1909] Subject(s): Communicable Disease ControlPlague -- prevention & controlRodent Control
37. [Man holding a rifle, surrounded by dead squirrels] Publication: [between 1907 and 1909] Subject(s): Plague -- 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.