You can find these volumes through authorized distributors and academic libraries:
Instruments financiers et modifications du capital . Where to Access Download Maitriser l'Information Comptable pdf
Students can often access full digital versions through university portals like the Université Catholique de Lille catalog. You can find these volumes through authorized distributors
Les sociétés, les succursales, théorie de l'évaluation, cas particuliers . théorie de l'évaluation
This academic series, published by (Presses polytechniques et universitaires romandes), is a foundational reference for Swiss accounting and financial reporting.