Prof. Willibald Posch, 'Up-to-date as of October 2012' (2013), pp. 1–1, in Herbots Prof. Dr Jacques H. (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Austria, International Encyclopaedia for Contracts (Kluwer Law International, The Netherlands)

Prof. Willibald Posch, 'The Author' (2013), pp. 3–4, in Herbots Prof. Dr Jacques H. (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Austria, International Encyclopaedia for Contracts (Kluwer Law International, The Netherlands)

Prof. Willibald Posch, 'Table of Contents' (2013), pp. 5–14, in Herbots Prof. Dr Jacques H. (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Austria, International Encyclopaedia for Contracts (Kluwer Law International, The Netherlands)

Prof. Willibald Posch, 'List of Abbreviations' (2013), pp. 15–18, in Herbots Prof. Dr Jacques H. (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Austria, International Encyclopaedia for Contracts (Kluwer Law International, The Netherlands)

Prof. Willibald Posch, 'General Introduction' (2013), pp. 19–34, in Herbots Prof. Dr Jacques H. (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Austria, International Encyclopaedia for Contracts (Kluwer Law International, The Netherlands)

Prof. Willibald Posch, 'Introduction to the Law of Contract' (2013), pp. 35–66, in Herbots Prof. Dr Jacques H. (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Austria, International Encyclopaedia for Contracts (Kluwer Law International, The Netherlands)

Prof. Willibald Posch, 'Part I. General Principles of the Law of Contract' (2013), pp. 67–166, in Herbots Prof. Dr Jacques H. (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Austria, International Encyclopaedia for Contracts (Kluwer Law International, The Netherlands)

Prof. Willibald Posch, 'Part II. Specific Contracts' (2013), pp. 167–236, in Herbots Prof. Dr Jacques H. (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Austria, International Encyclopaedia for Contracts (Kluwer Law International, The Netherlands)

Willibald Posch, 'Selected Bibliography' (2013), pp. 237–254, in Herbots Prof. Dr Jacques H. (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Austria, International Encyclopaedia for Contracts (Kluwer Law International, The Netherlands)

Willibald Posch, 'Index' (2013), pp. 255–276, in Herbots Prof. Dr Jacques H. (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Austria, International Encyclopaedia for Contracts (Kluwer Law International, The Netherlands)