- Author: Wolters Oliver
- Language: German
- Year: 2022
- Author: Lee Benson
- Language: English
- Year: 2015
- Author: Massimiliano Di Fazio
- Language: Italian
- Year: 2006
- Author: Quinn Barrett Lawrence Lum
- Language: English
- Year: 2016
- Author: Prof. Dr. Reimar Pohlman Dipl.-Ing. Hans-Dieter Bohnen Dipl.-Ing. Rolf Brinkmann Dipl.-Ing. Dieter Davidts (auth.)
- Language: German
- Year: 1965
Лев Троцкий
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- Author: Георгий Иванович Чернявский
- Language: Русский
- Year: 2010
