Pasco Cosmopolis Prof. Mario, 'The Author' (1998), pp. 3–4, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Peru, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Pasco Cosmopolis Prof. Mario, 'List of Abbreviations' (1998), pp. 21–22, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Peru, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Pasco Cosmopolis Prof. Mario, 'Introduction' (1998), pp. 23–126, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Peru, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Pasco Cosmopolis Prof. Mario, 'Part I. The Individual Employment Relationship' (1998), pp. 127–226, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Peru, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Pasco Cosmopolis Prof. Mario, 'Part II. Collective Labour Relations' (1998), pp. 227–296, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Peru, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Pasco Cosmopolis Prof. Mario, 'Index' (1998), pp. 297–304, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Peru, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)