Some good general wood info

Came across this site (RIC Good Wood Guide) the other day that had some interesting items including this summary of timber products & Aus suppliers:
http://www.rainforestinfo.org.au/good_wood/wb_compos.htm#anchor1205481
a good summary of Recommended Construction Timbers:
http://www.rainforestinfo.org.au/good_wood/rec_cons.htm#anchor669626
and loads of other timber related stuff. A lot of the links on the page no longer work & I wasn't able to track back to check the sources, but in general the principles seem pretty sound.
Choice of Materials for Sustainable Construction