Cook's Borromean Ring Links
Links to pages and two outlines of proofs that show the Borromean rings can't be made from circular rings.
Geometry and the Imagination
Has a small section on knot theory at an introductory level. Also has sections on orbifolds, polyhedra and topology.
History of Knot Theory
Biographies of early knot theorists. Many early papers on knot theory (in pdf format) including papers by Tait, Kirkman, Little and Thomson.
Knot Theory
Covers techniques of distinguishing knots, types, applications, and Conway notations. Includes illustrations.
Knot Theory Group University of Liverpool
Links to preprints and to programs written in pascal for doing knot calculations.
Knot Theory Online
This site is designed for mathematics students at the high school and college levels as an introduction to an area of mathematics seldom explored in the typical math…
Morwen Thistlethwaite's Home Page
Has many beautiful images of symmetric knots, and information about a computer program called Knotscape (compiled binaries for Linux, Sunos and Alpha platforms). Includes pictures…
The Geometry Junkyard: Knot Theory
A page of links on geometric questions arising from knot embeddings.