• ABC – Brazilian Academy of Sciences
  • Academia Sinica
  • AMS – American Mathematical Society
  • AUSTMS – The Australian Mathematical Society
  • CEDRAM – Centre de Diffusion de Revues Académiques de Mathématiques
  • CMS – Canadian Mathematical Society
  • COMAP – The Consortium for Mathematics and its Applications
  • CNRS – Centre National de la Recherche Scientifique
  • EMATH – The field of maths in France
  • EMIS – The European Mathematical Information Service [EMS]
  • ETHZ D-math [Zurich]
  • EuDML – The European Digital Mathematics Library
  • ICMI – The Intern. Commission on Mathematical Instruction
  • IMA – The Institute of Mathematics and its Applications
  • IMO – International Mathematical Olympiad
  • IMPAN – Institut of Mathematics of the Polish Academy of Sciences
  • IMU – The International Mathematical Union
  • IMUB – Inst. of Mathematics of the University of Barcelona
  • Indian Academy of Sciences
  • LMS – The London Mathematical Society
  • MAA – The Mathematical Association of America
  • MSJ – Mathematical Society of Japan
  • MathDoc – Cellule MathDoc
  • Math-Net.Ru – All-Russian Mathematical Portal
  • Mathematics Genealogy Project
  • MathWorld – Eric Weisstein’s World of Mathematics
  • MAX PLANCK – Institut für Mathematik [Bonn]
  • Mini HFCK
  • MSRI – Mathematical Sciences Research Institute
  • NCTM – National Council of Teachers of Mathematics
  • NUMDAM – Numérisation de documents anciens mathématiques
  • OBM – Brazilian Mathematical Olympiad
  • OBMEP – Brazilian Mathematical Olympiad for Public Schools
  • Royal Academy of Sciences
  • The Royal Society – London
  • The Royal Society of Edinburgh
  • The Royal Society of New South Wales
  • Royal Statistical Society
  • SBEM – Brazilian Society of Mathematical Education
  • SBM – Brazilian Mathematical Society
  • SBMAC – Society of Applied and Computational Mathematics
  • SIAM – Society for Industrial and Applied Mathematics
  • SIMAI – Italian Society for Applied and Industrial Mathematics
  • SMAI – Société de Mathématiques Appliquées & Industrielles
  • SMF – Société Mathématique de France
  • SPM – Paraná Mathematical Society
  • Wolfram MathWorld