AMS - American Mathematical Society
ASPRS - American Society for Photogrammetry and Remote Sensing
COMAP - Consortium for Mathematics and its Applications
EMIS - The European Mathematical Information Service
IMA - The Institute of Mathematics and its Applications
FCT - Fundação para a Ciência e a Tecnologia
PENN MATH - Mathematics Sources of the University of Pennsylvania
NONIUS - Arquivo Electrónico de Matemática (para "Sociedades, Associações e Institutos de Matemática" escolher a opção "Alguma Matemática" do menu inicial)
SIAM - Society for Industrial and Applied Mathematics
SMAI & SMF - Société de Mathématiques Appliquées et Industrielles & Société Mathématique de France