Theories of the Black Death many alternative theories Theories of the Black Death epidemiology is entirely unsure about the matter. http://en.wikipedia.org/wiki/Theories_of_the_Black_Death אנ' some have maintained https://en.wikipedia.org/wiki/Theories_ ... lack_Death epidemiology is entirely unsure about the matter. 別の理論は Theories of the Black Death assumed to be an intense pandemic of the same disease many alternative theories en:Theories of the Black Death en:Theories of the Black Death several different theories some have maintained assumed to be an intense pandemic of the same disease http://en.wikipedia.org/wiki/Theories_of_the_Black_Death http://en.wikipedia.org/wiki/Theories_o ... lack_Death Theories of the Black Death Theories of the Black Death