Here is a collection of various links to websites that deal with Tarkovsky's Mirror:

A division of the film into 15 sections and a brief synopsis:
http://www.arts.ualberta.ca/~dmiall/Mirror/Mirror.htm

Andrei Tarkovsky's Mirror - A Landmark In World Cinema:
http://www.ezinearticles.com/?Andrei-Tarkovskys-Mirror---A-Landmark-In-W...

From Tarkovsky’s autobiography Scultping in Time:
http://www.its.caltech.edu/~ifilm/mirror.pdf#search=%22tarkovsky%20mirro...

Internet movie database
http://www.imdb.com/title/tt0072443/