Journals:
Some Interesting Webs:
Discrete and Algorithmic Mathematics · Red de Matemática Discreta y Algorítmica
Research Institute of Symbolic Computation, Austria
European Association for Theoretical Computer Science (EATCS)
Fundamentals of Computing and Discrete Mathematics (FUNDIM), University of Turku and Turku Centre for Computer Science (TUCS).
Websites of some people in Combinatorics (mainly Enumerative)