East India (vaccination and small-pox). Return to an address of the honourable the House of Commons, date 12 December 1911;--for, "return showing the following particulars for each year in respect of which records have been kept for each province of British India and for British India as a whole; ratio of successful vaccinations per 1,000 of the population; small-pox death rate per 1,000 of the population at all ages; percentage of the total deaths from small-pox occurring at the following ages: under one year, one to ten years, and over ten years." [electronic resource].