9780415483476, titled "Interdisciplinary Economics: Kenneth E. Boulding's Engagement in the Sciences" | Routledge, May 8, 2013, cover price $180.00 | About this edition: Kenneth Boulding was a prolific writer across so many different fields that not only is he often much referred to and cited, he is considered a core member of many of these fields.

9781138901872, titled "Interdisciplinary Economics: Kenneth E. Boulding’s Engagement in the Sciences" | Reprint edition (Routledge, February 27, 2015), cover price $59.95 | About this edition: Kenneth Boulding was a prolific writer across so many different fields that not only is he often much referred to and cited, he is considered a core member of many of these fields.

9780405052002, titled "The Treatment of the Insane Without Mechanical Restraints" | Ayer Co Pub, June 1, 1973, cover price $25.50 | also contains The Treatment of the Insane Without Mechanical Restraints | About this edition: Trained as a physician and alienist (psychiatrist), John Conolly (1794-1866) first published this work in 1856.

9783486273342, titled "Mikroökonomik: Eine Einführung Aus Sozial-ökologischer Perspektive" | Reprint edition (De Gruyter, January 15, 2003), cover price $140.00 | About this edition: Das Lehrbuch macht die Vielfalt mikroökonomischer Ansätze sichtbar und führt sie im Konzept der Mikroökonomik aus sozial-ökologischer Perspektive zusammen.

9783890859460 | Springer Verlag, June 6, 1999, cover price $49.99