id	domain	url
hindsight-4205	www.opt.indiana.edu	www.opt.indiana.edu/ohs/opthohiso.html
hindsight-4205	www.cartesia.org	http://www.cartesia.org/print.php?sid
hindsight-4205	www.oxforddnb.com	www.oxforddnb.com/view/article/49854/117
hindsight-4205	www.aoa.org	www.aoa.org/x7388.xml
hindsight-4205	www.nlm.nih.gov	www.nlm.nih.gov/hmd/ihm/
hindsight-4205	www.sciencemuseum.org.uk	www.sciencemuseum.org.uk/broughttolife.aspx
hindsight-4205	images.wellcome.ac.uk	http://images.wellcome.ac.uk
hindsight-4205	www.antiquespectacles.com	www.antiquespectacles.com
hindsight-4205	www.opt.indiana.edu	www.opt.indiana.edu/ohs/hindsightjan07.pdf
hindsight-4205	www.indiana.edu	www.indiana.edu/ohs/optohiso.html