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