Simons, Edison & Godoy, Roberto.- SPEECH BY MR. JUAN DE HERRERA, CHAIRMAN OF HIS KINGDOM, ON THE CUBIC FIGURE

Library of Visionaries, Heterodox Thinkers, and the Marginalized. Madrid. Editora Nacional, 1976. Cover, 508 pages. Illustrations. Signed by Roberto Godoy. Figures interspersed throughout the text. Paperback.