Mortality of infants aged from birth to one year ... in European Russia

Mortality of infants from birth to one year ... in European Russia = Mortalite des Enfants Moins d'En An de la Russie d'Europe.- St. Petersburg: [B.And., 1914-1918].- (Statistics of the Russian Empire).1. Power (collection).2. Territory (collection).Electronic copy source: PBOriginal storage: St. Petersburg State University