Cover of the Sigma Portfolio by Alexander Trocchi.
"The Moving Times" edited by Alexander Trocchi featuring text by William S. Burroughs and Kenneth White. "The Moving Times" served as number 1 of the Sigma Portfolio.
"The Invisible Insurrection of A Million Minds" by Alexander Trocchi served as number 2 of the Sigma Portfolio.
"Sigma: A Tactical Blueprint" by Alexander Trocchi served as number 3 of the Sigma Portfolio.
"Potlatch: An Interpersonal Log" by Alexander Trocchi served as number 4 of the Sigma Portfolio.
"Sigma: General Information" by Alexander Trocchi served as number 5 of the Sigma Portfolio.
"Sigma Portfolio: Subscription Form" by Alexander Trocchi served as number 12 of the Sigma Portfolio.
"Portfolio List [Cumulative]" by Alexander Trocchi served as number 14 of the Sigma Portfolio.
"Manifesto Situationiste" by Alexander Trocchi served as number 18 of the Sigma Portfolio.
"Project: The Holding Company" by Alexander Trocchi served as number 22 of the Sigma Portfolio.
"An American Sense" by Robert Creeley served as number 26 of the Sigma Portfolio.
"The Invisible Generation" by William S. Burroughs reprinted from International Times served as number 32 of the Sigma Portfolio.