From Astronomy magazine, 3/2000, p. 106 Star Stuff, Bytes:
History of Astronomical Spectroscopy
http://www.achilles.net/~jtalbot/spectra/
Astronomical Spectroscopy
http://csep10.phys.utk.edu/guidry/violence/spectroscopy.html

Also article on p. 34 on failed Clementine TLP report: "Lunar Activity
Doesn't Pan Out"

http://www.tpl.toronto.on.ca/TRL/astronomy/index.html

http://home.nbci.com/directory/category/0,16,home-1809,00.html

http://www.clark.net/pub/nyrath/starmap.html

http://www.arval.org.ve/AstroLnk.htm

http://www.stsci.edu/astroweb/cat-software.html

http://iraf.noao.edu/projects/spectime/sptime.html

http://www.astro.utoronto.ca/~patton/astro/mags.html#conversions