Category: History - Modern (1750+)
Plague Its Cause and the Manner of its Extension, Its Menace, Its Control and Suppression, Its Diagnosis and Treatment
Causation of the Disease and its Mode of Conveyance--Types of Plague--Chronic Plague and Immunity in Rats--Flea Conveyance of Plague Bacilli--The Stability of Virulence of Plague Bacilli--Summary of Facts Concerning the Cause and Manner of Extension of Plague.