* [http://www-history.mcs.st-and.ac.uk/history/index0.html The MacTutor History of Mathematics archive]. A comprehensive list of detailed biographies.
* [http://genealogy.math.ndsu.nodak.edu/ The Mathematics Genealogy Project]. Allows to follow the succession of thesis advisors for most mathematicians, living or dead.
* [http://stats.bls.gov/oco/ocos043.htm ''Occupational Outlook'' – Mathematicians]. Information on the occupation of mathematician from the US Department of Labor.
* [http://mathworld.wolfram.com/UnsolvedProblems.html Unsolved Problems]. A list of sixteen major unsolved problems in mathematics at MathWorld.
* [http://www.careercornerstone.org/math/math.htm Sloan Career Cornerstone Center: Careers in Mathematics]. Although US-centric, a useful resource for anyone interested in a career as a mathematician. Learn what mathematicians do on a daily basis, where they work, how much they earn, and more.