“An Inquiry into the Causes and Effects of The Varioleæ Vaccinæ, Or Cow Pox” is a book by Edward Jenner which introduces a series of Jenner’s experiments and observations of villagers infected by small pox and cow pox, and discusses the causes of these two diseases. Publicised in 1884 and printed by Sampson Low, the 27cm-times-22cm-sized book is in reservation of Osler Library in McGill university. The book is well protected by a layer of paper and leather on its cover. The contents are printed in English with regular front sizes and each line are one and half spaced. The edges of each pages…