Manfred Stern

Manfred Stern (also known as Emilio Kléber, Lazar Stern, Moishe Stern, Mark Zilbert) (1896–1954) was a member of the GRU, Soviet military intelligence. He served as a spy in the United States, as a military advisor in China, and gained fame under his ''nom de guerre'' as General Kléber, leader of the International Brigade during the Spanish Civil War. Provided by Wikipedia

by Stern, Manfred
Published 1999
Cambridge University Press

by Stern, Manfred
Published 1991
Vieweg+Teubner Verlag