Trotsky en México y la vida política en el período de Cárdenas, 1937-1940 📘 book | Spanish;Castilian Primary author Gall, Olivia Publisher Ed. Era Place of Publication Mexico Date of Publication 1991
Trotsky- Oeuvres 21: avril 1939 - septembre 1939 📘 book | French Primary author Trotsky, Leon Publisher ILT Place of Publication Paris Date of Publication 1986
