Richard's notes from the 2007 BIOSCI 737 course can be found here and his lecture on symmetry from the 2008 course here.
My crystallography practicals from the 2007 BIOSCI 737 course can be found here.
The data for the practical can be found on the AFS system here: \\afs\ec.auckland.ac.nz\users\j\l\jlot006\jlot006-shared\BIOSCI 737 Practical Data
Also, the following pages are good places to start for learning about crystallography:
Bernhard Rupp's Crystallography 101
University of Cambridge Course in Structural Medicine