Hubbard, L. Ron, 1911-1986 The Research and discovery series : a running record of research into-mind and life Vol.9 : Wichita, Kansas, Snovember - 31 december 1951 / by L. Ron Hubbard. - 2a ed. - Los Angeles, Cal. : Bridge : Copenhagen : New Era, 1985. - 539 p. Incluye bibliografía ISBN: 8773363944 (New Era Publications) 0884042170 No. de Clasificación Universal Decimal: OC 608.1 (03)=20 HUB Vol.9.