1. Paul Hertz (1922), «Über Axiomensysteme für beliebige Satzsysteme, Teil. 1» presented by Javier Legris // 2. Paul Bernays (1926), «Axiomatische Untersuchung des Aussagenkalküls des Principia Mathematica» presented by Walter Carnielli // 3. Alfred Tarski (1928), «Remarques sur les notions fondamentales de la méthodologie des mathématiques», presented by Stan Surma and Jan Zygmunt // 4. Kurt Gödel (1933), «Eine Interpretation des intuitionistischen Aussagenkalküls» presented by presented by Itala D'Ottavianao and Hercules Feitosa// 5. Louis Rougier (1941), «The relativity of logic» presented by Mathieu Marion // 6. Haskell B. Curry (1952), Leçons de logique algébrique (Translation of extracts) presented by Johnatan Seldin // 7. Jerzy Los and Ronam Suszko (1958), «Remarks on sentential logics» presented by Jan Zygmunt // 8. Saul Kripke (1963), «Semantical Considerations on Modal Logic» presented by Johan van Benthem // 9. Jean Porte (1965), Recherches sur la théorie générale des systèmes formels et sur les systèmes connectifs (Translation of extracts) presented by Marcel Guillaume // 10. Per Lindström (1969), « On extensions of elementary logic » presented by Jouko Väänänen // 11. Stephen L.Bloom, Donald J.Brown et Roman Suszko (1970), «Some theorems on abstract logics» presented by Ramon Jansana // 12. Dana Scott (1974), «Completeness and axiomatizability in many-valued logic» presented by Lloyd Humberstone // 13. Joseph Goguen and Rod Burstall (1984), «Introducing institutions» presented by Razvan Diaconescu // 14. Andrea Loparic and Newton da Costa (1984), «Paraconsistency, paracompleteness and valuations» presented by Jean-Yves Béziau // 15. Dov Gabbay, «Fibred Semantics and the Weaving of Logics, Part 1: Modal and Intuitionistic logic» (extracts) presented by Amilcar Sernadas and Carlos Caleiro