[Wi] P. Winkler, Mathematical Puzzles: A Connoisseur's Collection, A K Peters,
Wellesley, MA (2004).
[Winkler's conjecture about Venn diagrams is included on page 145, with discussion on
page 155.]
Off-site references
The external sites listed below are not endorsed by The Electronic Journal
of Combinatorics and do not form part of this article.
[FAQ]
Frank Ruskey maintains a small
FAQ
(frequently asked questions) containing the answers to some questions
he received about Venn diagrams, but that are outside the scope of this
survey.
[COS]
The set partitions
information page, part of the
Combinatorial Object
Server.
[JC]
Jeremy Carroll's
page
about his solution of the 6-Venn triangle problem.
Make sure that you try out his Java applet!
[DE] Stirling Chow has working versions of
DrawVenn and
DrawEuler
online; these Java applets can draw
area-proportional Venn and Euler diagrams using several different algorithms.
[SJ]
Slavik Jablan's page "Are Borromean Links so Rare?"
[MAC]
The
MacTutor History of Mathematics Archive contains a
short biography of John Venn.
[GC]
The Geometry Center at the University
of Minnesota.
[KM]
Donald Knuth's online lectures are available at the Stanford
Center for Professional Development.
[KP]
Robert Scharein's KnotPlot site. All pictures of knots on this
site were produced with KnotPlot.
[MT]
Mark Thomson's page on
Venn Polyominoes.