http:/consequences.emich.edu/conseq.htm (Ιστοσελίδα του βιβλίου: P. Howard and J. E. Rubin, Consequences of the Axiom of Choice, Amer. Math. Soc., Mathematical Surveys and Monographs, Vol. 59, Providence, RI, 1998).

http://cgraph.inters.co/ (I. Dimitriou’s `Choiceless Grapher Project: a diagram creator for consequences of the axiom of choice’)

http://www.ams.org/ (American Mathematical Society)

http://www.math.vanderbilt.edu/~schectex/ccc/choice.html  (Σελίδα E. Schechter για το Αξίωμα της Επιλογής).

http://en.wikipedia.org/wiki/Axiom_of_choice  (Άρθρο Wikipedia για το Αξίωμα Επιλογής).

http://at.yorku.ca/topology/ (Topology Atlas)

http://www.math.ufl.edu/~jal/set_theory.html  (Set Theory People)

http://world.logic.at/

http://www.zentralblatt-math.org/zmath/en/ 

http://www.springerlink.com/mathematics-and-statistics

http://ests.wordpress.com (European Set Theory Society)

http://settheory.mathtalks.org/  (Set Theory Talks)

Trends in Set Theory Conference, Warsaw, 8 - 11 July 2012