Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Sorge’s activities between 1930 and 1942 have tended to be lauded as those of a superlative human intelligence operator and the Soviet Union’s GRU (Soviet military intelligence unit) as the optimum of spy-masters.