

An Index to His Writings
1931: The Revolution In Spain [Pamphlet]
1931: The Spanish Revolution and the Dangers Threatening It [Pamphlet]
1931: For Communist Unity in Spain
1931: The Problems of the Spanish Revolution From Day To Day [Series of letters]
1931: For the Spanish Revolution: The Ten Commandments of the Spanish Communists
1931: The Character of the Revolution (The Spanish Revolution on the Order of the Day for the Left Opposition)
1931: The National Question in Catalonia
1931: Problems of the Spanish Revolution
1931: A Letter About the Spanish Revolution
1931: Tactics Flowing from the Election Results (alternative translation)
1931: The Role of Strikes in a Revolution
1931: On The Slogan of Soviets – From a Letter to Andres Nin
1931: Trotsky on Opposition and the Party in Spain (letter to Andres Nin)
1933: The Spanish “Kornilovs” and “Stalinists”
1936: The Treachery of the Spanish "Labor Party of Marxist Unity"
1936: The Tasks of the Fourth International in Spain
1936: The Lesson of Spain
1937: Drive to Aid C.N.T. Is Endorsed by L. Trotsky (letter to Carlo Tresca)
1937: The Lessons of Spain: The Last Warning
1939: Tragedy of Spain
1939: Spain, Stalin and Yezhov
1939: Once again on the causes of the defeat in Spain
Last updated on: 21 February 2026