Prof. Dr. jur. Dres. h.c. Rolf Birk, 'The Author' (2007), pp. 3–4, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Preface' (2007), pp. 5–6, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Abbreviations' (2007), pp. 25–26, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Chapter 1. The Historical Development of the European Social Charter' (2007), pp. 27–49, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Chapter 2. General Introduction' (2007), pp. 50–71, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Chapter 3. The Rights Guaranteed by the Social Charter' (2007), pp. 72–474, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Chapter 4. The Mechanism of Supervision' (2007), pp. 475–506, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Selected Bibliography' (2007), pp. 507–524, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Appendix 1. Legal Texts and Conclusions' (2007), pp. 525–526, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Appendix 2. Signatures and Ratifications' (2007), pp. 527–530, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Appendix 3. International Non-Governmental Organizations' (2007), pp. 531–532, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof. Dr. jur. Dres. h.c. Rolf Birk, 'Index' (2007), pp. 533–542, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)