Bychkov I. Ya. Infanticide in Modern Conditions. In Russian (ask us if in doubt)/Bychkov I. Ya. Detoubiystvo v sovremennykh usloviyakh. Edited and prefaced by Y.L. Leibovich, Chief Forensics Expert of the Peoples Committee of Health of the RSFSR: State Medical Publishing House, 1929, 62, 2c. SKUalb2ba26c398f7b3b9a.