A.M. Bubnovsky Complete course of railway telegraphy and telephony. Kyiv: Type I.I. Chokolov. 1912. In Russian (ask us if in doubt)/Bubnovskiy A.M. Polnyy kurs zheleznodorozhnoy telegrafii i telefonii. Kiev: Tip. I.I.Chokolova. 1912 g. - landofmagazines.com

TransliterationA.M. Bubnovsky Complete course of railway telegraphy and telephony. Kyiv: Type I.I. Chokolov. 1912. In Russian (ask us if in doubt)

In EnglishBubnovskiy A.M. Polnyy kurs zheleznodorozhnoy telegrafii i telefonii. Kiev: Tip. I.I.Chokolova. 1912 g.

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