England: The Broad Street Pump - You Know Nothing, John Snow - Extra History - Part 1

Historian Reacts - England: The Broad Street Pump - You Know Nothing, John Snow - Extra History - #1Подробнее

England: The Broad Street Pump - You Know Nothing, John Snow - Extra History - #1Подробнее

England: The Broad Street Pump - Lies - Extra HistoryПодробнее

England: The Broad Street Pump - The Sanitary Movement - Extra History - Part 4Подробнее

England: The Broad Street Pump - Map of the Blue Death - Extra History - Part 3Подробнее

England: The Broad Street Pump - Epidemiology Begins! - Extra History - Part 2Подробнее