All the data presented on the Constellation Directory were taken from the following online sources:
aavso.org
astro.wisc.edu/~dolan/constellations/constellations.html
astronomical.org
astrostudio.org
astrosurf.com/jwisn/index.html
atlasoftheuniverse.com
comfychair.org/~cmbell/myth/myth.html
constellationsofwords.com
earthsky.org
enchantedlearning.com
eso.org
heasarc.gsfc.nasa.gov
hyperphysics.phy-astr.gsu.edu/hbase/hph.html
ianridpath.com
iau.org
ibtimes.com
messier.seds.org
meteorshowersonline.com
science.nasa.gov
sciencedaily.com
seasky.org
skyandtelescope.com
solstation.com
space.com
spacetelescope.org
spider.seds.org
stars.astro.illinois.edu
theatlantic.com
timeanddate.com
topastronomer.com
universetoday.com
uwgb.edu/dutchs/astronnotes/findingway.htm
whillyard.com
windows2universe.org
wired.com
wwu.edu/skywise/greekmyth.html