Trilogie
Publisher: Württembergischer Kunstverein
Published: 1977
Place of publication: Stuttgart
Language: ger
Notes: Catalog of the exhibitions held at the Württembergischer Kunstverein, Stuttgart, from 7 April through 5 June; at the Schlossplatz, Stuttgart, 25 August through 30 October; at the Württembergischer Kunstverein, 28 September through 30 November 1977.

Includes bibliographies.
Table of contents: title: 1. Osterwold, T. Naturbetrachtung, Naturverfremdung.; title: 2. Osterwold, K. Natur und Bauen.; title: 3. Osterwold, T. et al. Regenbögen für eine bessere Welt.