Kalevi Kull – Jakob von Uexküll: An introduction. (p. 1-59)

Thomas A. Sebeok – Biosemiotics: its roots, proliferation, and prospects. (p. 61-78)

Frederik Stjernfelt – A Natural Symphony? To what extent is Uexküll’s Bedeutungslehre actual for our day’s semiotics? (p. 79-102)

Thure von Uexküll – Units of survival. (p. 103-106)

Jakob von Uexküll – An introduction to Umwelt. (p. 107-110)

Jakob von Uexküll – The new concept of Umwelt: A link between science and the humanities. (p. 111-123)

John Deely – Umwelt. (p. 125-135)

Paul Bains – Umwelten. (p. 137-167)

Sergei V. Chebanov – Umwelt as life world of living being. (p. 169-184)

Myrdene Anderson – Life and living in wonderworld. (p. 185-191)

Udo L. Figge – Jakob von Uexküll: Merkmale and Wirkmale. (p. 193-200)

Solomon Marcus – On the logical and semiotic status of Jakob von Uexküll’s concept of Umwelt. (p. 201-210)

Alexei Sharov – Umwelt-theory and pragmatism. (p. 211-228)

Floyd Merrell – Distinctly human Umwelt? (p. 229-262)

J. T. Fraser – The extended Umwelt principle: Uexküll and the nature of time. (p. 263-273)

Barend van Heusden – Jakob von Uexküll and Ernst Cassirer. (p. 275-292)

Sabine Brauckmann – From the haptic-optic space to our environment: Jakob von Uexküll and Richard Woltereck. (p. 293-309)

Andres Luure – Lessons from Uexküll’s antireductionism and reductionism: A pansemiotic view. (p. 311-322)

Aldona Pobojewska – Jakob von Uexküll's Umweltlehre. (p. 323-339)

Howard H. Pattee – Irreducible and complementary semiotic forms. (p. 341-358)

Stanley N. Salthe – Theoretical biology as an anticipatory text: The relevance of Uexküll to current issues in evolutionary systems. (p. 359-380)

Jesper Hoffmeyer – Seeing virtuality in nature. (p. 381-398)

F. Eugene Yates – Umwelt theory implies heuristics. (p. 399-408)

Aleksei Turovski – On the parasites association as a vectorizing factor in the biosemiotic development. (p. 409-414)

Martin Krampen – No plant — no breath. (p. 415-421)

Bernard C. Patten – Jakob von Uexküll and the theory of environs. (p. 423-443)

Jakob von Uexküll – Letter to Heinrich Junker. (p. 445-446)

Urmas Sutrop – Umwelt — word and concept: Two hundred years of semantic change. (p. 447-462)

Helmut Gipper – Self-world and world of language: J. v. Uexküll's theory as a basis for integrational linguistic research. (p. 463-479)

Tuomo Jämsä – Jakob von Uexküll's theory of sign and meaning from a philosophical, semiotic, and linguistic point of view. (p. 481-551)

Malte C.W. Herwig – The unwitting muse: Jakob von Uexküll’s theory of Umwelt and twentieth-century literature. (p. 553-592)

Oliver A. I. Botar – Notes towards a study of Jakob von Uexküll's reception in early 20th century artistic and architectural circles. (p. 593-597)

Mark Reybrouck – Biological roots of musical epistemology: functional cycles, Umwelt and enactive listening. (p. 599-633)

Ilia Utekhin – Spanish echoes of J. von Uexküll's thought. (p. 635-642)

Kari Lagerspetz – Jakob von Uexküll and the origins of cybernetics. (p. 643-651)

Claus Emmeche– Does a robot have an Umwelt? Reflections on the qualitative biosemiotics of Jakob von Uexküll. (p. 653-693)

Winfried Nöth – Semiosis and the Umwelt of a robot. (p. 695-699)

Tom Ziemke & Noel E. Sharkey – A stroll through the worlds of robots and animals: Applying Jakob von Uexküll’s theory of meaning to adaptive robots and artificial life. (p. 701-746)

Andreas Roepstorff – Brains in scanners: An Umwelt of cognitive neuroscience. (p. 747-765)

Boria Sax & Peter Klopfer – Jakob von Uexküll and the anticipation of sociobiology. (p. 767-778)

Soren Brier – Cybersemiotics and ‘Umweltlehre’. (p. 779-814)

Yoshimi Kawade – Subject — Umwelt — society: the triad of living being. (p. 815-828)