At: Breslau, E. Trewendt
At: London-New York, Encyclopaedia Britannica Co.
At: Leipzig, G. Engelmann By: Endl.
At: Paris, Georges Carré et C. Naud By: Zeiller
At: Leipzig, Verlag von Arthur Felix By: Solms
At: Leipzig, W. Engelmann By: Steinm.
At: Beijing, Science Press
At: Leipzig, W. Engelmann By: Geinitz
At: Berlin, Reimer By: Futterer
At: Moscow, Izdateľstvo Akademii Nauk SSSR By: Vologdin