Boyd, Mark F.2012-01-232012-01-2319202012-01-23http://hdl.handle.net/2152.3/319Rat trapper supplies with caught rats.2 x 3 in. black-and-white photographimage/jpegen-USBubonic plagueExterminationGalveston Plague LaboratoryRat trappingRats – ControlUnited States Public Health Service