• "Archetipi Cosanti -- Paolo Soleri Architetto"
  (1956, non-fiction, article, architecture)
• Arcology: The City in the Image of Man
  (1969, non-fiction, architecture... 3D cities, bridges, space colonies)
• The Sketchbooks Of Paolo Soleri
  (1971, non-fiction, architecture)
• The Bridge Between Matter and Spirit is Matter Becoming Spirit
  (1973, non-fiction, architecture)
• The Omega Seed: An Eschatological Hypothesis
  (1981, non-fiction, architecture)
• Fragments -- A Selection From The Sketchbooks Of Paolo Soleri: The Tiger Paradigm-Paradox
  (1981, non-fiction, architecture)
• "Space For Peace"
  (1984, non-fiction, article, space)
• Technology and Cosmogenesis
  (1986, non-fiction)
• Arcosanti: An Urban Laboratory?
  (1987, non-fiction, architecture)

• Paolo Soleri's Earth Casting: For Sculpture, Models and Construction
  (1984, non-fiction, architecture)

• Space Colonies edited by Stewart Brand
  (1977, non-fiction...Penguin Books, New York, US, pbk... contains: "untitled essay on Space Migration" by Paolo Soleri)

Arcosanti
(Paolo Soleri website... images and info... recommended)

And some glossary entries:

arcology
(Anachron Library entry... definition... entry forthcoming)