ADVANCE-10K http://www.cru.uea.ac.uk/adv10k/
Analysis of dendrochronological variability and natural climates in Eurasia over the last 10,000 years. Research by the University of East Anglia Climatic Research Unit.
Aegean Dendrochronology Project http://www.arts.cornell.edu/dendro/
Site discusses the use of tree rings in dating and climatic reconstruction, as part of archeological studies. From Malcolm and Carolyn Wiener Laboratory for Aegean and Near Eastern Dendrochronology, at Cornell University.
Euro Catalogue http://www.dendro.bf.uni-lj.si/first.html
Searchable database of European dendro-chronology, compiled by Dr Tom Levanic, Biotechnical faculty, Ljubljana, Slovenia. Information on laboratories, accessed via search or sensitive map.