Incidence of notifiable infectious diseases in each sanitary district in England and Wales during the year 1920. This book, "Incidence of notifiable infectious diseases in each sanitary district in England and Wales during the year 1920. Volume 6", by Great Britain Ministry of Health, is a replication of a book originally published before 1921. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.