SIGMA: A Tactical Blueprint. London: Sigma Portfolio #3, nd. SIGMA PORTFOLIO.
SIGMA: A Tactical Blueprint. London: Sigma Portfolio #3, nd.

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SIGMA: A Tactical Blueprint. London: Sigma Portfolio #3, nd.

Trocchi's development of the thesis outlined in "The Invisible Insurrection of a Million Minds", including an explanation of the reasons behind the choice of the word 'sigma'. 3 foolscap sheets, mimeographed, printed on both sides, stapled at top corner. Very Good plus.

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