Note 297 — Chapter VIII · THE FRANCO-GERMAN WAR OF 1870–1, AND THE EPIDEMIC OF SMALL-POX IN THE EUROPEAN STATES CAUSED BY IT (continued 2)
Reading edition
De Pokkenepidemie in Nederland in 1870-3. Hague, 1875. Quoted from Th. Lotz, Pocken und Vakzination. Basel, 1880.