On the comparative healthiness of the Parish of Hackney.
D004196:Disease Outbreaks / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006782:Hospitals, Special / Q000266:history; D006801:Humans; D008131:London; D009026:Mortality; D011634:Public Health / Q000266:history*