All - The Internet Archive query interface has stablized a bit, so we
(Biodiversity Heritage Library) have updated the documentation we wrote
outlining the processes by which we harvest content from IA:
http://biodiversitylibrary.blogspot.com/2008/06/updated-harvesting-proce
ss-from.html

I hope this helps any & all.

Chris Freeland
Director, Bioinformatics, Missouri Botanical Garden
Technical Director, Biodiversity Heritage Library