February 18, 1982: Solidarity Meeting (letter)
August 17, 1978: Merci, Giscard (letter)
September 20, 1973: Mexico and Its Demons
The Other Mexico: Critique of the Pyramid by Octavio Paz, translated by Lysander Kemp, with a postscript translated by Helen R. Lane
May 6, 1971: An Open Letter to Fidel Castro (letter)
January 7, 1971: Academic Boycott (letter)
March 13, 1969: Viva Zapata
Zapata and the Mexican Revolution by John Womack Jr.
June 25, 1964: A Life
Pedro Martinez: A Mexican Peasant and His Family by Oscar Lewis, Drawings by Alberto Beltrán