Partitions with "N copies of N" -- Relations fonctionnelles et denombrement des hypercartes planaires pointees -- Prefix-free words of length N over M letters : two-sided well-balanced parentheses and palindroms -- Combinatorial representations of some Lie groups and Lie algebras -- Definite integral evaluation by enumeration, partial results in the MacDonald conjectures -- Enumeration of certain young tableaux with bounded height -- Fonctions symรฉtriques et sรฉries hypergรฉomรฉtriques basiques multivariรฉes, II -- Raising operators and Young's rule -- Counting three-line Latin rectangles -- Chemins sous-diagonaux et tableaux de Young -- Foncteurs analytiques et espรจces de structures -- Enumeration under finite group action: Symmetry classes of mappings -- Joint distributions of three descriptive parameters of bridges -- Some new computational methods in the theory of species -- Combinatorial resolution of systems of differential equations, I. Ordinary differential equations -- Une combinatoire non-commutative pour l'etude des nombres secants -- Theorem of Poincare-Birkhoff-Witt, logarithm and symmetric group representations of degrees equal to stirling numbers -- A Baker's dozen of conjectures concerning plane partitions -- Combinatorics of Jacobi configurations I: Complete oriented matchings -- About the Inequalities of Erdรถs and Moser on the largest transitive subtournament of a tournament -- Heaps of pieces, I : Basic definitions and combinatorial lemmas -- The calculus of virtual species and K-species -- Toward a combinatorial proof of the Jacobian conjecture? -- Sรฉance de problemes