J. F. C. (Justus Friedrich Carl) Hecker
The Black Death, and The Dancing Mania
J. F. C. (Justus Friedrich Carl) Hecker · 1999
Public domain, Project Gutenberg. No sign-up.
Black DeathChorea, EpidemicEpidemics
J. F. C. (Justus Friedrich Carl) Hecker · 1999
Public domain, Project Gutenberg. No sign-up.